CVE-2011-0951

The web-based management interface in Cisco Secure Access Control System (ACS) 5.1 before 5.1.0.44.6 and 5.2 before 5.2.0.26.3 allows remote attackers to change arbitrary user passwords via unspecified vectors, aka Bug ID CSCtl77440.

Published: 2011-04-04 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-0951 is rated Moderate Risk (48.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 14.64%, 96th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-0951

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 68.04% 14.64% -53.40%
2 2026-02-25 65.33% 68.04% +2.70%
3 2025-03-30 — 65.33% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0951

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2011-0951

Affected software / configurations for CVE-2011-0951

Vendor Product Version Raw CPE
cisco secure_access_control_system 5.1 cpe:2.3:a:cisco:secure_access_control_system:5.1:*:*:*:*:*:*:*
cisco secure_access_control_system 5.1.0.44 cpe:2.3:a:cisco:secure_access_control_system:5.1.0.44:*:*:*:*:*:*:*
cisco secure_access_control_system 5.1.0.44.1 cpe:2.3:a:cisco:secure_access_control_system:5.1.0.44.1:*:*:*:*:*:*:*
cisco secure_access_control_system 5.1.0.44.2 cpe:2.3:a:cisco:secure_access_control_system:5.1.0.44.2:*:*:*:*:*:*:*
cisco secure_access_control_system 5.1.0.44.3 cpe:2.3:a:cisco:secure_access_control_system:5.1.0.44.3:*:*:*:*:*:*:*
cisco secure_access_control_system 5.1.0.44.4 cpe:2.3:a:cisco:secure_access_control_system:5.1.0.44.4:*:*:*:*:*:*:*
cisco secure_access_control_system 5.1.0.44.5 cpe:2.3:a:cisco:secure_access_control_system:5.1.0.44.5:*:*:*:*:*:*:*
cisco secure_access_control_system 5.2 cpe:2.3:a:cisco:secure_access_control_system:5.2:*:*:*:*:*:*:*
cisco secure_access_control_system 5.2.0.26 cpe:2.3:a:cisco:secure_access_control_system:5.2.0.26:*:*:*:*:*:*:*
cisco secure_access_control_system 5.2.0.26.1 cpe:2.3:a:cisco:secure_access_control_system:5.2.0.26.1:*:*:*:*:*:*:*
cisco secure_access_control_system 5.2.0.26.2 cpe:2.3:a:cisco:secure_access_control_system:5.2.0.26.2:*:*:*:*:*:*:*

References for CVE-2011-0951

cvelogic Threat Intelligence