Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since November 3, 2021.
CVE-2020-3580
Cisco ASA and FTD Cross-Site Scripting (XSS) Vulnerability
Cisco · Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)
Added to KEV November 3, 2021
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2020-3580
- CWE
- CWE-79
- Affected products
- Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) · Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) · Cisco
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.
What it means for your business
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2020-3580). 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. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.
Required action
Apply updates per vendor instructions.
CISA due date: May 3, 2022
Sources
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