CVE-2011-4661

HIGH

Cisco Ios < 15.2\(1\)t - Resource Leak

Title source: rule

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.

Scores

CVSS v3 7.5
EPSS 0.0039
EPSS Percentile 59.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-772
Status published

Affected Products (1)

cisco/ios < 15.2\(1\)t

Timeline

Published Feb 12, 2020
Tracked Since Feb 18, 2026