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Cisco Secure Access Control System Cross-Site Scripting Vulnerability

Cisco-SA-20140110-CVE-2013-6974 · Medium · Published · Updated

A vulnerability in Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against the user of the web interface of the affected system. The vulnerability is due to insufficient input validation of a parameter. An attacker could exploit this vulnerability by convincing the user to access a malicious link. Cisco has confirmed the vulnerability in a security notice and released software updates. To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link.

Cisco advisory · CSAF JSON

Workarounds

Administrators are advised to apply the appropriate updates.

Administrators are advised to allow only trusted users to have network access.

Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.

For additional information about XSS attacks and the methods used to exploit these vulnerabilities, see the Cisco Applied Mitigation Bulletin Understanding Cross-Site Scripting (XSS) Threat Vectors["http://www.cisco.com/en/US/products/cmb/cisco-amb-20060922-understanding-xss.html"]

Administrators are advised to monitor affected systems.

CVEsCVE-2013-6974
Cisco Bug IDsCSCud89431
CVSS ScoreBase 4.3
Base 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C
Product Names From Source
Cisco Secure Access Control System (ACS)

Related Products

Product CVE Evidence
Cisco Secure Access Control System (ACS) CVE-2013-6974 Cisco OpenVuln