CVE-2011-4667

Severity

43%

Complexity

86%

Confidentiality

48%

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.

CVSS 3.0 Base Score 5.9. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

CVSS 2.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N).

Overview

Type

Cisco

First reported 7 years ago

2017-09-25 21:29:00

Last updated 7 years ago

2017-10-06 17:30:00

Affected Software

Cisco IOS 12.2 (33)SXI

12.2\(33\)sxi

Cisco IOS 12.2 (33)SXJ

12.2\(33\)sxj

Cisco IOS 15.2(1)T

15.2\(1\)t

Cisco IOS 15.2(1)T1

15.2\(1\)t1

Cisco IOS 15.2(2)T

15.2\(2\)t

Cisco NX-OS 5.0(5)

5.0\(5\)

References

20120913 Cisco Software Encryption Library Information Disclosure Vulnerability

Vendor Advisory

20150825 Chapter: Caveats in Release 12.2(33)SXI Rebuilds