CVE-2012-4099

Severity CVSS v4.0:

Pending analysis

Type:

CWE-20 Input Validation

Publication date:

14/10/2013

Last modified:

11/04/2025

Description

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13065.

Impact

Vector 2.0

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

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

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

Base Score 2.0

4.30

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://osvdb.org/98130
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4099
http://osvdb.org/98130
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4099