CVE-2013-6979

Severity CVSS v4.0:

Pending analysis

Type:

CWE-287 Authentication Issues

Publication date:

23/12/2013

Last modified:

11/04/2025

Description

The VTY authentication implementation in Cisco IOS XE 03.02.xxSE and 03.03.xxSE incorrectly relies on the Linux-IOS internal-network configuration, which allows remote attackers to bypass authentication by leveraging access to a 192.168.x.2 source IP address, aka Bug ID CSCuj90227.

Impact

Vector 2.0

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

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

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

Base Score 2.0

5.40

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:cisco:ios_xe:-:::::::*

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

References to Advisories, Solutions, and Tools

http://osvdb.org/101351
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6979
http://www.securityfocus.com/bid/64502
http://www.securitytracker.com/id/1029537
https://exchange.xforce.ibmcloud.com/vulnerabilities/89901
http://osvdb.org/101351
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6979
http://www.securityfocus.com/bid/64502
http://www.securitytracker.com/id/1029537
https://exchange.xforce.ibmcloud.com/vulnerabilities/89901