CVE-2011-2581

MediumCVSS 5.0/10Last modified Jun 16, 2026

Description

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.

Metrics

CVSS 2.0 5.0/10AV:N/AC:L/Au:N/C:P/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 14, 2011
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 2011

CVE-2011-25835.0Cisco Unified Contact Center Express (aka CCX) 8.0 and 8.5 allows remote attackers to cause a denial of service via network traffic, as demoCVE-2011-25847.5Cisco Show and Share 5(2), 5.2(1), and 5.2(2) before 5.2(2.1) allows remote attackers to access the (1) Encoders and Pull Configurations, (2CVE-2011-25856.5Cisco Show and Share 5(2), 5.2(1), and 5.2(2) before 5.2(2.1) allows remote authenticated users to upload and execute arbitrary code by leveCVE-2011-25865.4The HTTP client in Cisco IOS 12.4 and 15.0 allows user-assisted remote attackers to cause a denial of service (device crash) via a malformedCVE-2011-25876.8Heap-based buffer overflow in the DemuxAudioSipr function in real.c in the RealMedia demuxer in VideoLAN VLC media player 1.1.x before 1.1.1CVE-2011-25886.8Heap-based buffer overflow in the AVI_ChunkRead_strf function in libavi.c in the AVI demuxer in VideoLAN VLC media player before 1.1.11 alloCVE-2011-25899.3Heap-based buffer overflow in the SendLogAction method in the UUPlayer ActiveX control 6.0.0.1 in UUSee 2010 6.11.0609.2 might allow remote CVE-2011-25909.3The Play method in the UUPlayer ActiveX control 6.0.0.1 in UUSee 2010 6.11.0609.2 allows remote attackers to execute arbitrary programs via CVE-2011-25919.3Multiple buffer overflows in the Provideo ActiveX controls allow remote attackers to execute arbitrary code via crafted input fields, as demCVE-2011-25929.3Heap-based buffer overflow in the StartEpa method in the nsepacom ActiveX control (nsepa.exe) in Citrix Access Gateway Enterprise Edition PlCVE-2011-25936.8Integer overflow in the StartEpa method in the nsepacom ActiveX control (nsepa.exe) in Citrix Access Gateway Enterprise Edition Plug-in for CVE-2011-25949.3Heap-based buffer overflow in KMPlayer 3.0.0.1441, and possibly other versions, allows remote attackers to execute arbitrary code via a play
CVE-2011-2581: Medium severity, CVSS 5.0 | Vulnix