Exploited vulnerability

CVE-2020-3580

TLP:CLEAR

Cisco ASA and FTD Cross-Site Scripting (XSS) Vulnerability

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.

Facts

Vendor: Cisco
Product: Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)
CVSS: 6.1
EPSS (probability of exploitation within 30 days): 85.6 %
On CISA's Known Exploited Vulnerabilities list since: 3 November 2021
First known exploitation: 3 November 2021
Used in ransomware campaigns (per CISA): Yes
CISA's deadline for US federal agencies: 3 May 2022
Weakness: CWE-79
First seen by Risk Letters: 3 November 2021

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD