netVigilance Vulnerability intelligence since 2004
CVE-2020-3580 · netVigilance record NV21-0148

Cisco ASA and FTD Cross-Site Scripting (XSS)

past due ransomware

What to do

Apply updates per vendor instructions.

CISA deadline 2022-05-03 · passed 4 years 4 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an insufficient input validation vulnerability for user-supplied input by the web services interface. Successful exploitation could allow an attacker to perform cross-site scripting (XSS) in the context of the interface or access sensitive browser-based information.

Who is affected

Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD). Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-79.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 4 years 4 months ago

Sources