CVE-2013-1121

Severity CVSS v4.0:

Pending analysis

Type:

CWE-399 Resource Management Errors

Publication date:

19/09/2013

Last modified:

11/04/2025

Description

The regex engine in the BGP implementation in Cisco NX-OS, when a complex regular expression is configured for inbound routes, allows remote attackers to cause a denial of service (device reload) via a crafted AS path set, aka Bug ID CSCuf49554.

Impact

Vector 2.0

AV:N/AC:H/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): High
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0

5.40

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:cisco:nx-os:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1121
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1121