Cisco known exploited vulnerabilities
Every Cisco CVE on CISA's Known Exploited Vulnerabilities catalog, newest addition first: 102 in all, 21 added in the last 12 months.
- CVE-2024-20399Cisco NX-OS Software CLI Command Injection VulnerabilityCisco NX-OS Software
- CVE-2024-20359A vulnerability in a legacy capability that allowed for the preloading of VPN clients and plug-ins and that has been available in Cisco AdapCisco Adaptive Security Appliance (ASA) Software · Cisco Fi…
- CVE-2024-20353A vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat DefensCisco Adaptive Security Appliance (ASA) Software · Cisco Fi…
- CVE-2020-3259Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Information Disclosure VulnerabilityCisco Adaptive Security Appliance (ASA) Software
- CVE-2023-20273A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to inject commands with the priCisco IOS XE Software
- CVE-2023-20198Cisco is providing an update for the ongoing investigation into observed exploitation of the web UI feature in Cisco IOS XE Software.Cisco IOS XE Software
- CVE-2023-20109A vulnerability in the Cisco Group Encrypted Transport VPN (GET VPN) feature of Cisco IOS Software and Cisco IOS XE Software could allow an Cisco IOS
- CVE-2023-20269A vulnerability in the remote access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTDCisco Adaptive Security Appliance (ASA) Software · Cisco Fi…
- CVE-2016-6415The server IKEv1 implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.6, IOS XE through 3.18S, IOS XR 4.3.x and 5.0.x through 5
- CVE-2004-1464Cisco IOS 12.2(15) and earlier allows remote attackers to cause a denial of service (refused VTY (virtual terminal) connections), via a craf
- CVE-2017-6742A vulnerability in the SNMP implementation of could allow an authenticated, remote attacker to cause a reload of the affected system or to rCisco IOS XE Software · IntelliShield Universal Product
- CVE-2020-3433Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking VulnerabilityCisco AnyConnect Secure Mobility Client
- CVE-2020-3153Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path VulnerabilityCisco AnyConnect Secure Mobility Client
- CVE-2019-15271Cisco Small Business RV016, RV042, RV042G, and RV082 Routers Arbitrary Command Execution VulnerabilityCisco Small Business RV Series Router Firmware
- CVE-2016-6367Cisco Adaptive Security Appliance (ASA) Software before 8.4(1) on ASA 5500, ASA 5500-X, PIX, and FWSM devices allows local users to gain pri
- CVE-2016-6366Buffer overflow in Cisco Adaptive Security Appliance (ASA) Software through 9.4.2.3 on ASA 5500, ASA 5500-X, ASA Services Module, ASA 1000V,
- CVE-2022-20821Cisco IOS XR Software Health Check Open Port VulnerabilityCisco IOS XR Software
- CVE-2018-0147A vulnerability in Java deserialization used by Cisco Secure Access Control System (ACS) prior to release 5.8 patch 9 could allow an unautheCisco Secure Access Control System
- CVE-2018-0125A vulnerability in the web interface of the Cisco RV132W ADSL2+ Wireless-N VPN and RV134W VDSL2 Wireless-AC VPN Routers could allow an unautCisco RV132W and RV134W
- CVE-2017-3881A vulnerability in the Cisco Cluster Management Protocol (CMP) processing code in Cisco IOS and Cisco IOS XE Software could allow an unautheCisco IOS and IOS XE Software
- CVE-2015-0666Directory traversal vulnerability in the fmserver servlet in Cisco Prime Data Center Network Manager (DCNM) before 7.1(1) allows remote atta
- CVE-2010-3035Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote atta
- CVE-2009-2055Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an inval
- CVE-2022-20708Cisco Small Business RV Series Routers VulnerabilitiesCisco Small Business RV Series Router Firmware
- CVE-2022-20703Cisco Small Business RV Series Routers VulnerabilitiesCisco Small Business RV Series Router Firmware
- CVE-2022-20701Cisco Small Business RV Series Routers VulnerabilitiesCisco Small Business RV Series Router Firmware
- CVE-2022-20700Cisco Small Business RV Series Routers VulnerabilitiesCisco Small Business RV Series Router Firmware
- CVE-2022-20699Cisco Small Business RV Series Routers VulnerabilitiesCisco Small Business RV Series Router Firmware
- CVE-2019-1652Cisco Small Business RV320 and RV325 Routers Command Injection VulnerabilityCisco Small Business RV Series Router Firmware
- CVE-2018-0180Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attackCisco IOS
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Frequently asked questions
How many Cisco vulnerabilities are in CISA KEV?
102 Cisco vulnerabilities are on CISA's Known Exploited Vulnerabilities catalog, 21 of them added in the last 12 months. The newest is CVE-2026-76418 (Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability), added 2026-10-29.
Which Cisco products are in CISA KEV?
44 products, including Secure Firewall ASA Software and Cisco Secure FTD Software, Secure Email Gateway, Catalyst SD-WAN Manager. Attackers have exploited every one of these entries in the wild, and US federal agencies must patch each by its CISA due date.
Are Cisco KEV vulnerabilities used by ransomware?
CISA knows ransomware campaigns exploit 7 of the 102 Cisco entries.