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Vulnerability record · CVE-2011-0951 · published 4 April 2011

CVE-2011-0951: Cisco secure access control system vulnerability

Cisco · Secure Access Control System

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.

5.0 CVSS 2.0 Medium EPSS 15% · top 3.5% CWE-255 · CWE-255
5.0CVSS 2.0 base score
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/43924 Vendor Advisory
http://securitytracker.com/id?1025271
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b74117.shtml Vendor Advisory
http://www.securityfocus.com/bid/47093
http://www.vupen.com/english/advisories/2011/0821 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66471
http://secunia.com/advisories/43924 Vendor Advisory
http://securitytracker.com/id?1025271
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b74117.shtml Vendor Advisory
http://www.securityfocus.com/bid/47093
http://www.vupen.com/english/advisories/2011/0821 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66471

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-0147Cisco Secure Access Control System Java deserialization RCECisco Secure Access Control System (ACS) before release 5.8 patch 9 deserializes user-supplied content insecurely, allowing a crafted serialized Java…KEVEPSS 18%analysed10.0CVE-2014-0648Cisco secure access control system permissions and access controls vulnerabilityThe RMI interface in Cisco Secure Access Control System (ACS) 5.x before 5.5 does not properly enforce authentication and authorization requirements,…EPSS 5.9%10.0CVE-2014-0650Cisco secure access control system improper input validation vulnerabilityThe web interface in Cisco Secure Access Control System (ACS) 5.x before 5.4 Patch 3 allows remote attackers to execute arbitrary operating-system co…EPSS 3.4%9.8CVE-2018-0253Cisco secure access control system improper input validation vulnerabilityA vulnerability in the ACS Report component of Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to execute ar…EPSS 6.8%9.0CVE-2014-0649Cisco secure access control system permissions and access controls vulnerabilityThe RMI interface in Cisco Secure Access Control System (ACS) 5.x before 5.5 does not properly enforce authorization requirements, which allows remot…EPSS 2.6%7.5CVE-2017-3841Cisco secure access control system information exposure vulnerabilityA vulnerability in the web interface of the Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to disclose sens…EPSS 2.4%6.8CVE-2013-3424Cisco secure access control system cross-site request forgery vulnerabilityCross-site request forgery (CSRF) vulnerability in Administration and View pages in Cisco Secure Access Control System (ACS) allows remote attackers …EPSS 1.2%6.8CVE-2013-1200Cisco secure access control system improper authentication vulnerabilitySession fixation vulnerability in Cisco Secure Access Control System (ACS) allows remote attackers to hijack web sessions via unspecified vectors, ak…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2011-0951), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.