CVE-2011-4667

MEDIUM

Cisco IOS 15.2(1)T, 15.2(1)T1, 15.2(2)T - Unencrypted Packet Exposure via IPSec

Title source: llm
STIX 2.1

Description

The encryption library in Cisco IOS Software 15.2(1)T, 15.2(1)T1, and 15.2(2)T, Cisco NX-OS in Cisco MDS 9222i Multiservice Modular Switch, Cisco MDS 9000 18/4-Port Multiservice Module, and Cisco MDS 9000 Storage Services Node module before 5.2(6), and Cisco IOS in Cisco VPN Services Port Adaptor for Catalyst 6500 12.2(33)SXI, and 12.2(33)SXJ when IP Security (aka IPSec) is used, allows remote attackers to obtain unencrypted packets from encrypted sessions.

Scores

CVSS v3 5.9
EPSS 0.0069
EPSS Percentile 48.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-310
Status published
Products (6)
cisco/ios 12.2\(33\)sxi
cisco/ios 12.2\(33\)sxj
cisco/ios 15.2\(1\)t
cisco/ios 15.2\(1\)t1
cisco/ios 15.2\(2\)t
cisco/nx-os 5.0\(5\)
Published Sep 25, 2017
Tracked Since Feb 18, 2026