Vulnerability in Cisco Nexus 3000
CVE-2011-2581
The ACL implementation in Cisco NX-OS 5.0(2) and 5.0(3) before 5.0(3)N2(1) on Nexus 5000 series switches, and NX-OS before 5.0(3)U1(2a) on Nexus 3000 series switches, does not properly handle comments in conjunction with deny statements, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances by sending packets, aka Bug IDs CSCto09813 and CSCtr61490.
EPSS: 0.020 (78.6th percentile) — read the EPSS interpretation.
Affected products
- Cisco Nexus_3000
- Cisco Nexus_5000
- Cisco Nx-os — versions 5.0\(2\), 5.0\(3\)n1\(1\), 5.0\(3\)n1\(1a\)
- N/a — versions n/a
Weakness classification (CWE)
References
- psirt@cisco.com (vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
- psirt@cisco.com (x_refsource_SECUNIA, third-party-advisory)