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MEDIUM

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

Published Oct 22, 2011

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

Weaknesses (1)

CWE-200

Exposure of Sensitive Information

References (2)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner cisco
Published Oct 22, 2011
Updated Sep 17, 2024
Reserved May 10, 2011
Link CVE-2011-2059
CISA Vulnrichment
Updated n/a
NVD
Status Modified
Modified Jun 16, 2026
Link CVE-2011-2059
Red Hat
Severity n/a
Public date n/a
Links CVE-2011-2059