CVE-2011-2059

Cisco IOS <15.1(4)M1.3 - Info Disclosure

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

EPSS 0.0156
EPSS Percentile 72.2%

Details

CWE
CWE-200
Status published
Products (1)
cisco/ios < 15.1\(4\)m1.3
Published Oct 22, 2011
Tracked Since Feb 18, 2026