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CVE-2014-2120: Ten-year-old Cisco ASA Flaw Exploited In The Wild

CVE-2014-2120: Ten-year-old Cisco ASA Flaw Exploited In The Wild

First discovered in 2014 by researcher Jonathan Claudius, CVE-2014-2120 is a vulnerability caused by insufficient input validation in the WebVPN login page of Cisco Adaptive Security Appliance (ASA) Software. This flaw could allow an unauthenticated remote attacker to execute an XSS attack against a...

Dec 4, 2024By Meghana Raatni2 min read

First discovered in 2014 by researcher Jonathan Claudius, CVE-2014-2120 is a vulnerability caused by insufficient input validation in the WebVPN login page of Cisco Adaptive Security Appliance (ASA) Software. This flaw could allow an unauthenticated remote attacker to execute an XSS attack against a user by persuading them to access a malicious link.

Impact

According to Cisco PSIRT, this vulnerability was being exploited in the wild as recently as November 2024 and has been added to CISA’s KEV catalog. Cisco first published an advisory for CVE-2014-2120 in March 2024, but detected additional exploitation attempts in November.

Products Affected

The bug affects Cisco Adaptive Security Appliance (ASA).

Solutions

Cisco strongly advises its customers to install the fixes provided within their advisory. No workarounds are available.

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