CVE-2013-1100

Severity: medium (CVSS 5.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-02-13 · updated 2026-06-16
Weakness: CWE-399

Description

The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events, which allows remote attackers to cause a denial of service (device crash) via crafted packets on TCP port (1) 80 or (2) 443, aka Bug ID CSCuc53853.

Affected products

Cisco IOS: all versions

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1100
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1100

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