CVE-2011-2059

Severity CVSS v4.0:
Pending analysis
Type:
CWE-200 Information Leak / Disclosure
Publication date:
22/10/2011
Last modified:
11/04/2025

Description

The ipv6 component in Cisco IOS before 15.1(4)M1.3 allows remote attackers to conduct fingerprinting attacks and obtain potentially sensitive information about the presence of the IOS operating system via an ICMPv6 Echo Request packet containing a Hop-by-Hop (HBH) extension header (EH) with a 0x0c01050c value in the PadN option data, aka Bug ID CSCtq02219.

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* 15.1\(4\)m1.3 (excluding)