CVE-2013-6979

MediumCVSS 5.4/10Last modified Jun 17, 2026

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.

Metrics

CVSS 2.0 5.4/10AV:N/AC:H/Au:N/C:C/I:N/A:N

Weakness enumeration

CWE-287

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

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

Timeline

Published: Dec 23, 2013
Last modified: Jun 17, 2026
NVD status: Modified

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