Open redirect in Cisco Secure Access Control System (ACS) - CVE-2017-3840

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Main Vulnerability Database Vulnerabilities #VU5860

Open redirect in Cisco Secure Access Control System (ACS) - CVE-2017-3840

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


Vulnerability identifier: #VU5860
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-3840
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 phishing attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when redirecting users to external websites. A remote attacker can trick the victim to follow a specially crafted link and perform phishing attacks.


How to mitigate CVE-2017-3840

Install updates from vendor's website.

Sources