Home/CVE/Cisco Wireless LAN Controller (WLC) devices do not properly address the resource consumption of terminated TELNET sessio
CVE

CVE-2013-1235

Cisco Wireless LAN Controller (WLC) devices do not properly address the resource consumption of terminated TELNET sessio

Cisco Wireless LAN Controller (WLC) devices do not properly address the resource consumption of terminated TELNET sessions, which allows remote attackers to cause a denial of service (TELNET outage) by making many TELNET connections and improperly ending these connections, aka Bug ID CSCug35507.

MEDIUM · CVSS 5 EPSS 0.00474
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

16
cisco 2000 wireless lan controllerall versions
cisco 2100 wireless lan controllerall versions
cisco 2106 wireless lan controllerall versions
cisco 2112 wireless lan controllerall versions
cisco 2125 wireless lan controllerall versions
cisco 2500 wireless lan controllerall versions
cisco 2504 wireless lan controllerall versions
cisco 4100 wireless lan controllerall versions
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Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · psirt@cisco.com
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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:L/Au:N/C:N/I:N/A:P
Published to NVD04 May 2013 · 03:24 AM
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1235Vendor Advisory
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