CVEvulnerability

CVE-2011-2059

5.0 MEDIUM Published 2011-10-22 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2011-10-22
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-200

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 configurations

• cisco ios (< 15.1\(4\)m1.3)

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References