CVE-2011-2059 describes a vulnerability in the IPv6 component of Cisco IOS versions prior to 15.1(4)M1.3. This flaw allows remote attackers to perform fingerprinting attacks by sending specially crafted ICMPv6 Echo Request packets with a specific Hop-by-Hop extension header, revealing the presence of the IOS operating system. Rated with a CVSS score of 5.0 (medium severity), it is a low-complexity attack requiring no authentication, but only results in information disclosure. There is no known public exploit code (Metasploit, Nuclei, ExploitDB), nor is it listed in CISA's KEV catalog, indicating no active exploitation. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 15.1\(4\)m1.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.