VULNERABILITY INTELLIGENCE

CVE-2011-4661

CVSS score7.5 HIGH
EPSS probability1.01%
CISA KEVNot currently listed
Published2020-02-12
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

A memory leak vulnerability exists in Cisco IOS before 15.2(1)T due to a memory leak in the HTTP PROXY Server process (aka CSCtu52820), when configured with Cisco ISR Web Security with Cisco ScanSafe and User Authenticaiton NTLM configured.

Weakness classification

  • CWE-772: Missing Release of Resource after Effective Lifetime

Primary references