CVE-2014-2120
Published: November 12, 2024
Official Description
Cisco Adaptive Security Appliance (ASA) contains a cross-site scripting (XSS) vulnerability in the WebVPN login page. This vulnerability allows remote attackers to inject arbitrary web script or HTML via an unspecified parameter.
CISA KEV Advisory
Cisco Adaptive Security Appliance (ASA) Cross-Site Scripting (XSS) Vulnerability
Cisco Adaptive Security Appliance (ASA) contains a cross-site scripting (XSS) vulnerability in the WebVPN login page. This vulnerability allows remote attackers to inject arbitrary web script or HTML via an unspecified parameter.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Risk Analysis
This vulnerability in Cisco Adaptive Security Appliance (ASA) allows attackers to inject malicious web scripts into the WebVPN login page, potentially leading to credential theft or session hijacking. Its inclusion in the KEV catalog and high EPSS score of 0.63870 indicate a significant and confirmed risk of exploitation.
Active exploitation of this vulnerability has been observed in the wild. As it's a cross-site scripting flaw in a web interface, it is remotely exploitable.
Administrators should apply the latest security updates and patches for Cisco ASA to address this cross-site scripting vulnerability. Regular security audits and input validation best practices for web applications are also recommended.
Technical Analysis
CVE-2014-2120 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2014-2120 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2014-2120 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1