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Cisco Secure ACS Portal Cross-Site Scripting Vulnerability

Cisco-SA-20140121-CVE-2014-0668 · Medium · Published · Updated

A vulnerability in the portal of the Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the portal on the affected system. The vulnerability is due to insufficient input validation of a parameter. An attacker could exploit this vulnerability by convincing a 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.

Users are advised not to open email messages from suspicious or unrecognized sources. If users cannot verify that links or attachments included in email messages are safe, they are advised not to open them.

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

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-2014-0668
Cisco Bug IDsCSCue65949
CVSS ScoreBase 4.3
Base 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N/E:H/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-2014-0668 Cisco OpenVuln