Exploited vulnerabilities

The CISA Known Exploited Vulnerabilities catalogue, with severity and affected-product data from the National Vulnerability Database. Everything on this list has been observed in real attacks — it is not a forecast.

1695
On the catalogue
8
Added in 7 days
7
Due within 7 days
354
Used in ransomware
CVEAffectedCVSSAddedDue
CVE-2020-3433Cisco Anyconnect Secure Mobility Client7.8high2022-10-242022-11-14ransomware
CVE-2020-3259Cisco Secure Firewall Threat Defense7.5high2024-02-152024-03-07ransomware
CVE-2020-3153Cisco Anyconnect Secure Mobility Client6.5medium2022-10-242022-11-14ransomware
CVE-2020-3580Cisco Secure Firewall Threat Defense6.1medium2021-11-032022-05-03ransomware
CVE-2026-20131Cisco Secure Firewall Management Center (FMC)2026-03-192026-03-22ransomware
CVE-2023-20269Cisco Adaptive Security Appliance and Firepower Threat Defense2023-09-132023-10-04ransomware