A vulnerability in the web interface of the Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to redirect a user to a malicious web page.
 
The vulnerability is due to improper input validation of the parameters in the HTTP request.

An attacker could exploit this vulnerability by crafting an HTTP request that could cause the web application to redirect the request to a specific malicious URL.

This vulnerability is known as an open redirect attack and is used in phishing attacks to get users to visit malicious sites without their knowledge.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170215-acs2
A vulnerability in the web interface of the Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to redirect a user to a malicious web page.
 
The vulnerability is due to improper input validation of the parameters in the HTTP request.

An attacker could exploit this vulnerability by crafting an HTTP request that could cause the web application to redirect the request to a specific malicious URL.

This vulnerability is known as an open redirect attack and is used in phishing attacks to get users to visit malicious sites without their knowledge.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170215-acs2

Security Impact Rating: Medium

CVE: CVE-2017-3840

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