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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
Exploited onlyUsed in ransomwarecriticalhighmediumlowPriorityRecently addedDue soonestCVSS
VendorMicrosoft 386Cisco 96Apple 94Adobe 80Google 73Oracle 45Apache 39Ivanti 35Fortinet 29Linux 28
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-2020-3452Cisco Adaptive Security Appliance Software7.5high2021-11-032022-05-03
CVE-2018-0296Cisco Adaptive Security Appliance Software7.5high2021-11-032022-05-03
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
CVE-2026-20349Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD)2026-08-112026-08-14
CVE-2026-20316Cisco Secure Firewall Management Center (FMC)2026-07-292026-08-01
CVE-2026-20262Cisco Catalyst SD-WAN Manager2026-06-152026-06-29
CVE-2026-20245Cisco Catalyst SD-WAN Manager2026-06-092026-06-23
CVE-2026-20230Cisco Unified Communications Manager2026-06-252026-06-28
CVE-2026-20182Cisco Catalyst SD-WAN2026-05-142026-05-17
CVE-2026-20133Cisco Catalyst SD-WAN Manager2026-04-202026-04-23
CVE-2026-20128Cisco Catalyst SD-WAN Manager2026-04-202026-04-23
CVE-2026-20127Cisco Catalyst SD-WAN Controller and Manager2026-02-252026-02-27
CVE-2026-20122Cisco Catalyst SD-WAN Manger2026-04-202026-04-23
CVE-2026-20045Cisco Unified Communications Manager2026-01-212026-02-11
CVE-2025-20393Cisco Multiple Products2025-12-172025-12-24
CVE-2025-20362Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense2025-09-252025-09-26
CVE-2025-20352Cisco IOS and IOS XE2025-09-292025-10-20
CVE-2025-20337Cisco Identity Services Engine2025-07-282025-08-18
CVE-2025-20333Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense2025-09-252025-09-26
CVE-2025-20281Cisco Identity Services Engine2025-07-282025-08-18
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