CVE-2011-2581
First published: Wed Sep 14 2011(Updated: )
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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Nx-os | =5.0\(2\) | |
| Cisco Nx-os | =5.0\(3\)n1\(1\) | |
| Cisco Nx-os | =5.0\(3\)n1\(1a\) | |
| Cisco Nx-os | =5.0\(3\)n1\(1b\) | |
| Cisco Nx-os | =5.0\(3\) | |
| Cisco Nx-os | =5.0\(3\)n1\(1c\) | |
| Cisco Nexus 5000 | ||
| Cisco Nx-os | <=5.0\(3\)u1\(2\) | |
| Cisco Nx-os | =5.0\(3\)u1\(1a\) | |
| Cisco Nx-os | =5.0\(3\)u1\(1b\) | |
| Cisco Nx-os | =5.0\(3\)u1\(1d\) | |
| Cisco Nexus 3000 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- collector/nvd-historical
- collector/nvd-index
- agent/weakness
- agent/references
- agent/author
- agent/severity
- agent/type
- agent/description
- agent/event
- agent/first-publish-date
- agent/softwarecombine
- agent/last-modified-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/cisco
- canonical/cisco nx-os
- version/cisco nx-os/5.0\(2\)
- version/cisco nx-os/5.0\(3\)n1\(1\)
- version/cisco nx-os/5.0\(3\)n1\(1a\)
- version/cisco nx-os/5.0\(3\)n1\(1b\)
- version/cisco nx-os/5.0\(3\)
- version/cisco nx-os/5.0\(3\)n1\(1c\)
- canonical/cisco nexus 5000
- version/cisco nx-os/5.0\(3\)u1\(2\)
- version/cisco nx-os/5.0\(3\)u1\(1a\)
- version/cisco nx-os/5.0\(3\)u1\(1b\)
- version/cisco nx-os/5.0\(3\)u1\(1d\)
- canonical/cisco nexus 3000