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CiscoCVELIST:CVE-2019-1751

HistoryMar 28, 2019 - 12:00 a.m.

CVE-2019-1751 Cisco IOS Software NAT64 Denial of Service Vulnerability

2019-03-2800:00:16

CWE-20

cisco

www.cve.org

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.5

Confidence

High

EPSS

0.001

Percentile

48.3%

JSON

A vulnerability in the Network Address Translation 64 (NAT64) functions of Cisco IOS Software could allow an unauthenticated, remote attacker to cause either an interface queue wedge or a device reload. The vulnerability is due to the incorrect handling of certain IPv4 packet streams that are sent through the device. An attacker could exploit this vulnerability by sending specific IPv4 packet streams through the device. An exploit could allow the attacker to either cause an interface queue wedge or a device reload, resulting in a denial of service (DoS) condition.

CNA Affected

[
  {
    "product": "Cisco IOS Software",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "15.x"
      }
    ]
  }
]

References

www.securityfocus.com/bid/107601

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nat64

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.5

Confidence

High

EPSS

0.001

Percentile

48.3%

JSON

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