CVE-2011-2581 describes a vulnerability in the ACL implementation of Cisco NX-OS on Nexus 3000 and 5000 series switches. Specifically, the software mishandles comments when used with deny statements, allowing remote attackers to bypass intended access restrictions in certain situations. This vulnerability has a CVSS score of 5.0, indicating a medium severity. It is network-exploitable with low attack complexity, requiring no authentication, and could lead to unauthorized information disclosure (C:P). There is no evidence of active exploitation, nor is exploit code publicly available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness and attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.0\(2\)CPE matchmatch criteria | cpe:2.3:a:cisco:nx-os:5.0\(2\):*:*:*:*:*:*:* | ||
5.0\(3\)n1\(1\)CPE matchmatch criteria | cpe:2.3:a:cisco:nx-os:5.0\(3\)n1\(1\):*:*:*:*:*:*:* | ||
5.0\(3\)n1\(1a\)CPE matchmatch criteria | cpe:2.3:a:cisco:nx-os:5.0\(3\)n1\(1a\):*:*:*:*:*:*:* | ||
5.0\(3\)n1\(1b\)CPE matchmatch criteria | cpe:2.3:a:cisco:nx-os:5.0\(3\)n1\(1b\):*:*:*:*:*:*:* | ||
5.0\(3\)CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:5.0\(3\):*:*:*:*:*:*:* |
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.
Remediation records are not available for this CVE.