Lucene search

CiscoCVE-2020-3526

HistorySep 24, 2020 - 6:15 p.m.

CVE-2020-3526

2020-09-2418:15:21

CWE-20

cisco

web.nvd.nist.gov

vulnerability

common open policy service

cops

cisco ios xe software

cisco cbr-8

converged broadband routers

unauthenticated

remote attacker

crash

nvd

cve-2020-3526

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

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

AI Score

8.4

Confidence

High

EPSS

0.002

Percentile

52.7%

JSON

A vulnerability in the Common Open Policy Service (COPS) engine of Cisco IOS XE Software on Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to crash a device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a malformed COPS message to the device. A successful exploit could allow the attacker to crash the device.

Affected configurations

Nvd

Node

ciscoios_xeMatch17.2

AND

ciscocbr-8Match-

VendorProductVersionCPE
ciscoios_xe17.2cpe:2.3:o:cisco:ios_xe:17.2:*:*:*:*:*:*:*
ciscocbr-8-cpe:2.3:h:cisco:cbr-8:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	ios_xe	17.2	cpe:2.3:o:cisco:ios_xe:17.2:::::::*
cisco	cbr-8	-	cpe:2.3:h:cisco:cbr-8:-:::::::*

CNA Affected

[
  {
    "product": "Cisco IOS XE Software",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-COPS-VLD-MpbTvGEW

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

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

AI Score

8.4

Confidence

High

EPSS

0.002

Percentile

52.7%

JSON

Related for CVE-2020-3526