Unrated severityNVD Advisory· Published Dec 23, 2013· Updated Jun 17, 2026
CVE-2013-6979
CVE-2013-6979
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2cpe:2.3:o:cisco:ios_xe:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:ios_xe:-:*:*:*:*:*:*:*
- (no CPE)range: 03.02.xxSE, 03.03.xxSE
Patches
Vulnerability mechanics
References
5- tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6979nvdVendor Advisory
- www.securityfocus.com/bid/64502nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1029537nvdThird Party AdvisoryVDB Entry
- osvdb.org/101351nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/89901nvd
News mentions
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