VULNERABILITY INTELLIGENCE

CVE-2011-3281

CVSS score7.8 HIGH

EPSS probability1.80%

CISA KEVNot currently listed

Published2011-10-03

Last modified2026-06-16

Description

Unspecified vulnerability in Cisco IOS 15.0 through 15.1, in certain HTTP Layer 7 Application Control and Inspection configurations, allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTP packet, aka Bug ID CSCto68554.