Home/CVE/The VTY authentication implementation in Cisco IOS XE 03.02.xxSE and 03.03.xxSE incorrectly relies on the Linux-IOS inte
CVE

CVE-2013-6979

The VTY authentication implementation in Cisco IOS XE 03.02.xxSE and 03.03.xxSE incorrectly relies on the Linux-IOS inte

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.

MEDIUM · CVSS 5.4 EPSS 0.00325
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
▤

Affected Products & Versions

1
cisco ios xeall versions
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v2 (legacy) · psirt@cisco.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:H/Au:N/C:C/I:N/A:N
Published to NVD23 Dec 2013 · 10:55 PM
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://osvdb.org/101351
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6979Vendor Advisory
http://www.securityfocus.com/bid/64502Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1029537Third Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/89901
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