DOM-based cross-site scripting in Cisco Secure Access Control System (ACS) - CVE-2017-3838

 

DOM-based cross-site scripting in Cisco Secure Access Control System (ACS) - CVE-2017-3838

Published: February 15, 2017 / Updated: February 17, 2017


Vulnerability identifier: #VU5859
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-3838
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Secure Access Control System (ACS)

Detailed vulnerability description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in Cisco Secure Access Control System (ACS). A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


How to mitigate CVE-2017-3838

Install updates from vendor's website.

Sources