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 2011-09-14 16:05:24
Updated 2022-04-05 15:52:45
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2011-2581

0.21%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-2581

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
NIST

CWE ids for CVE-2011-2581

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-2581

Products affected by CVE-2011-2581

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