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cvelistCiscoCVELIST:CVE-2019-1761
HistoryMar 28, 2019 - 12:25 a.m.

CVE-2019-1761 Cisco IOS and IOS XE Software Hot Standby Router Protocol Information Leak Vulnerability

2019-03-2800:25:15
CWE-665
cisco
www.cve.org
5

CVSS3

4.3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

AI Score

4.4

Confidence

High

EPSS

0.001

Percentile

21.0%

A vulnerability in the Hot Standby Router Protocol (HSRP) subsystem of Cisco IOS and IOS XE Software could allow an unauthenticated, adjacent attacker to receive potentially sensitive information from an affected device. The vulnerability is due to insufficient memory initialization. An attacker could exploit this vulnerability by receiving HSRPv2 traffic from an adjacent HSRP member. A successful exploit could allow the attacker to receive potentially sensitive information from the adjacent device.

CNA Affected

[
  {
    "product": "Cisco IOS and IOS XE Software",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "3.2.0SG"
      },
      {
        "status": "affected",
        "version": "3.2.1SG"
      },
      {
        "status": "affected",
        "version": "3.2.2SG"
      },
      {
        "status": "affected",
        "version": "3.2.3SG"
      },
      {
        "status": "affected",
        "version": "3.2.4SG"
      },
      {
        "status": "affected",
        "version": "3.2.5SG"
      },
      {
        "status": "affected",
        "version": "3.2.6SG"
      },
      {
        "status": "affected",
        "version": "3.2.7SG"
      },
      {
        "status": "affected",
        "version": "3.2.8SG"
      },
      {
        "status": "affected",
        "version": "3.2.9SG"
      },
      {
        "status": "affected",
        "version": "3.2.10SG"
      },
      {
        "status": "affected",
        "version": "3.2.11SG"
      },
      {
        "status": "affected",
        "version": "3.7.0S"
      },
      {
        "status": "affected",
        "version": "3.7.1S"
      },
      {
        "status": "affected",
        "version": "3.7.2S"
      },
      {
        "status": "affected",
        "version": "3.7.3S"
      },
      {
        "status": "affected",
        "version": "3.7.4S"
      },
      {
        "status": "affected",
        "version": "3.7.5S"
      },
      {
        "status": "affected",
        "version": "3.7.6S"
      },
      {
        "status": "affected",
        "version": "3.7.7S"
      },
      {
        "status": "affected",
        "version": "3.7.8S"
      },
      {
        "status": "affected",
        "version": "3.7.4aS"
      },
      {
        "status": "affected",
        "version": "3.7.2tS"
      },
      {
        "status": "affected",
        "version": "3.7.0bS"
      },
      {
        "status": "affected",
        "version": "3.7.1aS"
      },
      {
        "status": "affected",
        "version": "3.3.0SG"
      },
      {
        "status": "affected",
        "version": "3.3.2SG"
      },
      {
        "status": "affected",
        "version": "3.3.1SG"
      },
      {
        "status": "affected",
        "version": "3.8.0S"
      },
      {
        "status": "affected",
        "version": "3.8.1S"
      },
      {
        "status": "affected",
        "version": "3.8.2S"
      },
      {
        "status": "affected",
        "version": "3.9.1S"
      },
      {
        "status": "affected",
        "version": "3.9.0S"
      },
      {
        "status": "affected",
        "version": "3.9.2S"
      },
      {
        "status": "affected",
        "version": "3.9.1aS"
      },
      {
        "status": "affected",
        "version": "3.9.0aS"
      },
      {
        "status": "affected",
        "version": "3.2.0SE"
      },
      {
        "status": "affected",
        "version": "3.2.1SE"
      },
      {
        "status": "affected",
        "version": "3.2.2SE"
      },
      {
        "status": "affected",
        "version": "3.2.3SE"
      },
      {
        "status": "affected",
        "version": "3.3.0SE"
      },
      {
        "status": "affected",
        "version": "3.3.1SE"
      },
      {
        "status": "affected",
        "version": "3.3.2SE"
      },
      {
        "status": "affected",
        "version": "3.3.3SE"
      },
      {
        "status": "affected",
        "version": "3.3.4SE"
      },
      {
        "status": "affected",
        "version": "3.3.5SE"
      },
      {
        "status": "affected",
        "version": "3.3.0XO"
      },
      {
        "status": "affected",
        "version": "3.3.1XO"
      },
      {
        "status": "affected",
        "version": "3.3.2XO"
      },
      {
        "status": "affected",
        "version": "3.4.0SG"
      },
      {
        "status": "affected",
        "version": "3.4.2SG"
      },
      {
        "status": "affected",
        "version": "3.4.1SG"
      },
      {
        "status": "affected",
        "version": "3.4.3SG"
      },
      {
        "status": "affected",
        "version": "3.4.4SG"
      },
      {
        "status": "affected",
        "version": "3.4.5SG"
      },
      {
        "status": "affected",
        "version": "3.4.6SG"
      },
      {
        "status": "affected",
        "version": "3.4.7SG"
      },
      {
        "status": "affected",
        "version": "3.4.8SG"
      },
      {
        "status": "affected",
        "version": "3.5.0E"
      },
      {
        "status": "affected",
        "version": "3.5.1E"
      },
      {
        "status": "affected",
        "version": "3.5.2E"
      },
      {
        "status": "affected",
        "version": "3.5.3E"
      },
      {
        "status": "affected",
        "version": "3.10.0S"
      },
      {
        "status": "affected",
        "version": "3.10.1S"
      },
      {
        "status": "affected",
        "version": "3.10.2S"
      },
      {
        "status": "affected",
        "version": "3.10.3S"
      },
      {
        "status": "affected",
        "version": "3.10.4S"
      },
      {
        "status": "affected",
        "version": "3.10.5S"
      },
      {
        "status": "affected",
        "version": "3.10.6S"
      },
      {
        "status": "affected",
        "version": "3.10.2aS"
      },
      {
        "status": "affected",
        "version": "3.10.2tS"
      },
      {
        "status": "affected",
        "version": "3.10.7S"
      },
      {
        "status": "affected",
        "version": "3.10.8S"
      },
      {
        "status": "affected",
        "version": "3.10.8aS"
      },
      {
        "status": "affected",
        "version": "3.10.9S"
      },
      {
        "status": "affected",
        "version": "3.10.10S"
      },
      {
        "status": "affected",
        "version": "3.11.1S"
      },
      {
        "status": "affected",
        "version": "3.11.2S"
      },
      {
        "status": "affected",
        "version": "3.11.0S"
      },
      {
        "status": "affected",
        "version": "3.11.3S"
      },
      {
        "status": "affected",
        "version": "3.11.4S"
      },
      {
        "status": "affected",
        "version": "3.12.0S"
      },
      {
        "status": "affected",
        "version": "3.12.1S"
      },
      {
        "status": "affected",
        "version": "3.12.2S"
      },
      {
        "status": "affected",
        "version": "3.12.3S"
      },
      {
        "status": "affected",
        "version": "3.12.0aS"
      },
      {
        "status": "affected",
        "version": "3.12.4S"
      },
      {
        "status": "affected",
        "version": "3.13.0S"
      },
      {
        "status": "affected",
        "version": "3.13.1S"
      },
      {
        "status": "affected",
        "version": "3.13.2S"
      },
      {
        "status": "affected",
        "version": "3.13.3S"
      },
      {
        "status": "affected",
        "version": "3.13.4S"
      },
      {
        "status": "affected",
        "version": "3.13.5S"
      },
      {
        "status": "affected",
        "version": "3.13.2aS"
      },
      {
        "status": "affected",
        "version": "3.13.0aS"
      },
      {
        "status": "affected",
        "version": "3.13.5aS"
      },
      {
        "status": "affected",
        "version": "3.13.6S"
      },
      {
        "status": "affected",
        "version": "3.13.7S"
      },
      {
        "status": "affected",
        "version": "3.13.6aS"
      },
      {
        "status": "affected",
        "version": "3.13.6bS"
      },
      {
        "status": "affected",
        "version": "3.13.7aS"
      },
      {
        "status": "affected",
        "version": "3.13.8S"
      },
      {
        "status": "affected",
        "version": "3.13.9S"
      },
      {
        "status": "affected",
        "version": "3.13.10S"
      },
      {
        "status": "affected",
        "version": "3.6.0E"
      },
      {
        "status": "affected",
        "version": "3.6.1E"
      },
      {
        "status": "affected",
        "version": "3.6.0aE"
      },
      {
        "status": "affected",
        "version": "3.6.0bE"
      },
      {
        "status": "affected",
        "version": "3.6.2aE"
      },
      {
        "status": "affected",
        "version": "3.6.2E"
      },
      {
        "status": "affected",
        "version": "3.6.3E"
      },
      {
        "status": "affected",
        "version": "3.6.4E"
      },
      {
        "status": "affected",
        "version": "3.6.5E"
      },
      {
        "status": "affected",
        "version": "3.6.6E"
      },
      {
        "status": "affected",
        "version": "3.6.5aE"
      },
      {
        "status": "affected",
        "version": "3.6.5bE"
      },
      {
        "status": "affected",
        "version": "3.6.7E"
      },
      {
        "status": "affected",
        "version": "3.6.8E"
      },
      {
        "status": "affected",
        "version": "3.6.7aE"
      },
      {
        "status": "affected",
        "version": "3.6.7bE"
      },
      {
        "status": "affected",
        "version": "3.6.9E"
      },
      {
        "status": "affected",
        "version": "3.6.9aE"
      },
      {
        "status": "affected",
        "version": "3.14.0S"
      },
      {
        "status": "affected",
        "version": "3.14.1S"
      },
      {
        "status": "affected",
        "version": "3.14.2S"
      },
      {
        "status": "affected",
        "version": "3.14.3S"
      },
      {
        "status": "affected",
        "version": "3.14.4S"
      },
      {
        "status": "affected",
        "version": "3.15.0S"
      },
      {
        "status": "affected",
        "version": "3.15.1S"
      },
      {
        "status": "affected",
        "version": "3.15.2S"
      },
      {
        "status": "affected",
        "version": "3.15.1cS"
      },
      {
        "status": "affected",
        "version": "3.15.3S"
      },
      {
        "status": "affected",
        "version": "3.15.4S"
      },
      {
        "status": "affected",
        "version": "3.3.0SQ"
      },
      {
        "status": "affected",
        "version": "3.3.1SQ"
      },
      {
        "status": "affected",
        "version": "3.4.0SQ"
      },
      {
        "status": "affected",
        "version": "3.4.1SQ"
      },
      {
        "status": "affected",
        "version": "3.7.0E"
      },
      {
        "status": "affected",
        "version": "3.7.1E"
      },
      {
        "status": "affected",
        "version": "3.7.2E"
      },
      {
        "status": "affected",
        "version": "3.7.3E"
      },
      {
        "status": "affected",
        "version": "3.7.4E"
      },
      {
        "status": "affected",
        "version": "3.7.5E"
      },
      {
        "status": "affected",
        "version": "3.5.0SQ"
      },
      {
        "status": "affected",
        "version": "3.5.1SQ"
      },
      {
        "status": "affected",
        "version": "3.5.2SQ"
      },
      {
        "status": "affected",
        "version": "3.5.3SQ"
      },
      {
        "status": "affected",
        "version": "3.5.4SQ"
      },
      {
        "status": "affected",
        "version": "3.5.5SQ"
      },
      {
        "status": "affected",
        "version": "3.5.6SQ"
      },
      {
        "status": "affected",
        "version": "3.5.7SQ"
      },
      {
        "status": "affected",
        "version": "3.5.8SQ"
      },
      {
        "status": "affected",
        "version": "3.16.0S"
      },
      {
        "status": "affected",
        "version": "3.16.1S"
      },
      {
        "status": "affected",
        "version": "3.16.0aS"
      },
      {
        "status": "affected",
        "version": "3.16.1aS"
      },
      {
        "status": "affected",
        "version": "3.16.2S"
      },
      {
        "status": "affected",
        "version": "3.16.2aS"
      },
      {
        "status": "affected",
        "version": "3.16.0bS"
      },
      {
        "status": "affected",
        "version": "3.16.0cS"
      },
      {
        "status": "affected",
        "version": "3.16.3S"
      },
      {
        "status": "affected",
        "version": "3.16.2bS"
      },
      {
        "status": "affected",
        "version": "3.16.3aS"
      },
      {
        "status": "affected",
        "version": "3.16.4S"
      },
      {
        "status": "affected",
        "version": "3.16.4aS"
      },
      {
        "status": "affected",
        "version": "3.16.4bS"
      },
      {
        "status": "affected",
        "version": "3.16.4gS"
      },
      {
        "status": "affected",
        "version": "3.16.5S"
      },
      {
        "status": "affected",
        "version": "3.16.4cS"
      },
      {
        "status": "affected",
        "version": "3.16.4dS"
      },
      {
        "status": "affected",
        "version": "3.16.4eS"
      },
      {
        "status": "affected",
        "version": "3.16.6S"
      },
      {
        "status": "affected",
        "version": "3.16.5aS"
      },
      {
        "status": "affected",
        "version": "3.16.5bS"
      },
      {
        "status": "affected",
        "version": "3.16.7S"
      },
      {
        "status": "affected",
        "version": "3.16.6bS"
      },
      {
        "status": "affected",
        "version": "3.16.7aS"
      },
      {
        "status": "affected",
        "version": "3.16.7bS"
      },
      {
        "status": "affected",
        "version": "3.16.8S"
      },
      {
        "status": "affected",
        "version": "3.17.0S"
      },
      {
        "status": "affected",
        "version": "3.17.1S"
      },
      {
        "status": "affected",
        "version": "3.17.2S"
      },
      {
        "status": "affected",
        "version": "3.17.1aS"
      },
      {
        "status": "affected",
        "version": "3.17.3S"
      },
      {
        "status": "affected",
        "version": "3.17.4S"
      },
      {
        "status": "affected",
        "version": "16.1.1"
      },
      {
        "status": "affected",
        "version": "16.1.2"
      },
      {
        "status": "affected",
        "version": "16.1.3"
      },
      {
        "status": "affected",
        "version": "3.2.0JA"
      },
      {
        "status": "affected",
        "version": "16.2.1"
      },
      {
        "status": "affected",
        "version": "16.2.2"
      },
      {
        "status": "affected",
        "version": "3.8.0E"
      },
      {
        "status": "affected",
        "version": "3.8.1E"
      },
      {
        "status": "affected",
        "version": "3.8.2E"
      },
      {
        "status": "affected",
        "version": "3.8.3E"
      },
      {
        "status": "affected",
        "version": "3.8.4E"
      },
      {
        "status": "affected",
        "version": "3.8.5E"
      },
      {
        "status": "affected",
        "version": "3.8.5aE"
      },
      {
        "status": "affected",
        "version": "3.8.6E"
      },
      {
        "status": "affected",
        "version": "3.8.7E"
      },
      {
        "status": "affected",
        "version": "16.3.1"
      },
      {
        "status": "affected",
        "version": "16.3.2"
      },
      {
        "status": "affected",
        "version": "16.3.3"
      },
      {
        "status": "affected",
        "version": "16.3.1a"
      },
      {
        "status": "affected",
        "version": "16.3.4"
      },
      {
        "status": "affected",
        "version": "16.3.5"
      },
      {
        "status": "affected",
        "version": "16.3.5b"
      },
      {
        "status": "affected",
        "version": "16.3.6"
      },
      {
        "status": "affected",
        "version": "16.3.7"
      },
      {
        "status": "affected",
        "version": "16.4.1"
      },
      {
        "status": "affected",
        "version": "16.4.2"
      },
      {
        "status": "affected",
        "version": "16.4.3"
      },
      {
        "status": "affected",
        "version": "16.5.1"
      },
      {
        "status": "affected",
        "version": "16.5.1a"
      },
      {
        "status": "affected",
        "version": "16.5.1b"
      },
      {
        "status": "affected",
        "version": "16.5.2"
      },
      {
        "status": "affected",
        "version": "16.5.3"
      },
      {
        "status": "affected",
        "version": "3.18.0aS"
      },
      {
        "status": "affected",
        "version": "3.18.0S"
      },
      {
        "status": "affected",
        "version": "3.18.1S"
      },
      {
        "status": "affected",
        "version": "3.18.2S"
      },
      {
        "status": "affected",
        "version": "3.18.3S"
      },
      {
        "status": "affected",
        "version": "3.18.4S"
      },
      {
        "status": "affected",
        "version": "3.18.0SP"
      },
      {
        "status": "affected",
        "version": "3.18.1SP"
      },
      {
        "status": "affected",
        "version": "3.18.1aSP"
      },
      {
        "status": "affected",
        "version": "3.18.1gSP"
      },
      {
        "status": "affected",
        "version": "3.18.1bSP"
      },
      {
        "status": "affected",
        "version": "3.18.1cSP"
      },
      {
        "status": "affected",
        "version": "3.18.2SP"
      },
      {
        "status": "affected",
        "version": "3.18.1hSP"
      },
      {
        "status": "affected",
        "version": "3.18.2aSP"
      },
      {
        "status": "affected",
        "version": "3.18.1iSP"
      },
      {
        "status": "affected",
        "version": "3.18.3SP"
      },
      {
        "status": "affected",
        "version": "3.18.4SP"
      },
      {
        "status": "affected",
        "version": "3.18.3aSP"
      },
      {
        "status": "affected",
        "version": "3.18.3bSP"
      },
      {
        "status": "affected",
        "version": "3.18.5SP"
      },
      {
        "status": "affected",
        "version": "3.9.0E"
      },
      {
        "status": "affected",
        "version": "3.9.1E"
      },
      {
        "status": "affected",
        "version": "3.9.2E"
      },
      {
        "status": "affected",
        "version": "3.9.2bE"
      },
      {
        "status": "affected",
        "version": "16.6.1"
      },
      {
        "status": "affected",
        "version": "16.6.2"
      },
      {
        "status": "affected",
        "version": "16.6.3"
      },
      {
        "status": "affected",
        "version": "16.6.4"
      },
      {
        "status": "affected",
        "version": "16.6.4s"
      },
      {
        "status": "affected",
        "version": "16.6.4a"
      },
      {
        "status": "affected",
        "version": "16.7.1"
      },
      {
        "status": "affected",
        "version": "16.7.1a"
      },
      {
        "status": "affected",
        "version": "16.7.1b"
      },
      {
        "status": "affected",
        "version": "16.7.2"
      },
      {
        "status": "affected",
        "version": "16.8.1"
      },
      {
        "status": "affected",
        "version": "16.8.1a"
      },
      {
        "status": "affected",
        "version": "16.8.1b"
      },
      {
        "status": "affected",
        "version": "16.8.1s"
      },
      {
        "status": "affected",
        "version": "16.8.1c"
      },
      {
        "status": "affected",
        "version": "16.8.1d"
      },
      {
        "status": "affected",
        "version": "16.8.2"
      },
      {
        "status": "affected",
        "version": "16.8.1e"
      },
      {
        "status": "affected",
        "version": "16.9.1"
      },
      {
        "status": "affected",
        "version": "16.9.1a"
      },
      {
        "status": "affected",
        "version": "16.9.1b"
      },
      {
        "status": "affected",
        "version": "16.9.1s"
      },
      {
        "status": "affected",
        "version": "16.9.1c"
      },
      {
        "status": "affected",
        "version": "16.9.1d"
      },
      {
        "status": "affected",
        "version": "3.10.0E"
      },
      {
        "status": "affected",
        "version": "3.10.1E"
      },
      {
        "status": "affected",
        "version": "3.10.0cE"
      },
      {
        "status": "affected",
        "version": "3.10.2E"
      },
      {
        "status": "affected",
        "version": "3.10.1aE"
      },
      {
        "status": "affected",
        "version": "3.10.1sE"
      }
    ]
  }
]

CVSS3

4.3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

AI Score

4.4

Confidence

High

EPSS

0.001

Percentile

21.0%

Related for CVELIST:CVE-2019-1761