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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.020 (79.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Cisco Nexus 3000
- Cisco Nexus 5000
- Cisco Nx-Os — versions 5.0\(3\)n1\(1a\), 5.0(3)u1(1d), 5.0(3)u1(1b)
Weakness classification (CWE)
References
- www.securitytracker.com/id (vdb-entry)
- www.cisco.com/en/US/products/products_security_advisory09186a0080b9250c.shtml (vendor-advisory, Vendor Advisory)
- secunia.com/advisories/45883 (third-party-advisory)