CVE-2011-2581
"Cisco NX-OS ACL Deny Statement Bypass Vulnerability"
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.
INFO
Published Date :
Sept. 14, 2011, 4:05 p.m.
Last Modified :
April 5, 2022, 3:52 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.9
Exploitability Score :
10.0
Affected Products
The following products are affected by CVE-2011-2581
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2011-2581.
| URL | Resource |
|---|---|
| http://secunia.com/advisories/45883 | |
| http://www.cisco.com/en/US/products/products_security_advisory09186a0080b9250c.shtml | Vendor Advisory |
| http://www.securitytracker.com/id?1026019 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2011-2581 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2011-2581 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CPE Deprecation Remap by [email protected]
Apr. 05, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:cisco:nx-os:5.0(3)u1(1d):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:nx-os:5.0(3)u1(1d):*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Apr. 05, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:cisco:nx-os:5.0(3)u1(1b):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:nx-os:5.0(3)u1(1b):*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Apr. 05, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:cisco:nx-os:5.0(3)u1(1a):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:nx-os:5.0(3)u1(1a):*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Apr. 05, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:cisco:nx-os:5.0(3)n1(1c):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:nx-os:5.0(3)n1(1c):*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Apr. 05, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:cisco:nx-os:5.0(3):*:*:*:*:*:*:* OR *cpe:2.3:o:cisco:nx-os:5.0(3):*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Apr. 05, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:cisco:nx-os:*:*:*:*:*:*:*:* versions from (including) 5.0(3)u1(2) OR *cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* versions from (including) 5.0(3)u1(2) -
Initial Analysis by [email protected]
Sep. 14, 2011
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2011-2581 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2011-2581
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.21 }} 0.00%
score
0.56818
percentile