Vulnerability Details : CVE-2011-2059
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.
Vulnerability category: Information leak
Exploit prediction scoring system (EPSS) score for CVE-2011-2059
Probability of exploitation activity in the next 30 days: 0.12%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 45 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-2059
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2011-2059
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2059
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http://tools.cisco.com/security/center/viewIpsSignature.x?signatureId=36606&signatureSubId=0
Cisco IOS ICMPv6 Fingerprinting VulnerabilityVendor Advisory
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http://blogs.cisco.com/security/1999tcp-redux-the-ipv6-flavor
1999/tcp Redux - The IPv6 Flavor - Cisco BlogBroken Link
Products affected by CVE-2011-2059
- cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*