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CVE-2011-0951

32
FAUCET Score

CVE-2011-0951 describes a vulnerability in the web-based management interface of Cisco Secure Access Control System (ACS) versions 5.1 and 5.2, allowing remote attackers to change arbitrary user passwords. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with a low attack complexity and no authentication required, potentially leading to unauthorized password modification. While not listed on the KEV catalog, a Metasploit module exists for this vulnerability, and despite its high EPSS and FAUCET Risk Score, there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
5.1CPE matchmatch criteria
cpe:2.3:a:cisco:secure_access_control_system:5.1:*:*:*:*:*:*:*
5.1.0.44CPE matchmatch criteria
cpe:2.3:a:cisco:secure_access_control_system:5.1.0.44:*:*:*:*:*:*:*
5.1.0.44.1CPE matchmatch criteria
cpe:2.3:a:cisco:secure_access_control_system:5.1.0.44.1:*:*:*:*:*:*:*
5.1.0.44.2CPE matchmatch criteria
cpe:2.3:a:cisco:secure_access_control_system:5.1.0.44.2:*:*:*:*:*:*:*
5.1.0.44.3CPE matchmatch criteria
cpe:2.3:a:cisco:secure_access_control_system:5.1.0.44.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
14.64%
Probability of exploitation in next 30 days
EPSS Percentile
96.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.1464 is in the 96th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/43924
Vendor Advisory
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/66471
cisco.com / en/US/products/products_security_advisory09186a0080b74117.shtml
Vendor Advisory
securityfocus.com / bid/47093
vupen.com / english/advisories/2011/0821
Vendor Advisory