Cisco
25,873 known vulnerabilities
Top Products
A vulnerability in the egress packet processing functionality of the Cisco StarOS operating system for Cisco Aggregation
A vulnerability in the role-based resource checking functionality of the Cisco Unified Computing System (UCS) Director c
A vulnerability in the file type detection mechanism of the Cisco Advanced Malware Protection (AMP) for Endpoints macOS
A vulnerability in the Secure Sockets Layer (SSL) packet reassembly functionality of the detection engine in Cisco Firep
A vulnerability in the Transport Layer Security (TLS) library of Cisco Adaptive Security Appliance (ASA) Software and Ci
A vulnerability in the internal packet-processing functionality of Cisco Firepower Threat Defense (FTD) Software for Cis
A vulnerability in the implementation of Security Assertion Markup Language (SAML) Single Sign-On (SSO) authentication f
A vulnerability in the ingress flow creation functionality of Cisco Adaptive Security Appliance (ASA) could allow an una
A vulnerability in the Secure Sockets Layer (SSL) Virtual Private Network (VPN) Client Certificate Authentication featur
A vulnerability in Cisco WebEx Business Suite clients, Cisco WebEx Meetings, and Cisco WebEx Meetings Server could allow
Multiple vulnerabilities in the CLI parser of Cisco IOS XE Software could allow an authenticated, local attacker to inje
A vulnerability in the web-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote a
A vulnerability in the Cisco IOS XE Software REST API could allow an authenticated, remote attacker to bypass API author
Multiple vulnerabilities in the CLI parser of Cisco IOS XE Software could allow an authenticated, local attacker to inje
Multiple vulnerabilities in the web-based user interface (web UI) of Cisco IOS XE Software could allow an unauthenticate
A vulnerability in the Forwarding Information Base (FIB) code of Cisco IOS Software and Cisco IOS XE Software could allo
Multiple vulnerabilities in the web-based user interface (web UI) of Cisco IOS XE Software could allow an unauthenticate
Multiple vulnerabilities in the web-based user interface (web UI) of Cisco IOS XE Software could allow an unauthenticate
Multiple vulnerabilities in the CLI parser of Cisco IOS XE Software could allow an authenticated, local attacker to inje
A vulnerability in the CLI parser of Cisco IOS XE Software could allow an authenticated, local attacker to gain access t
A vulnerability in the CLI parser of Cisco IOS XE Software could allow an authenticated, local attacker to gain access t
Multiple vulnerabilities in the CLI parser of Cisco IOS XE Software could allow an authenticated, local attacker to inje
Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenti
Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenti
A vulnerability in the IP Version 4 (IPv4) processing code of Cisco IOS XE Software running on Cisco Catalyst 3850 and C
Multiple vulnerabilities in the CLI parser of Cisco IOS XE Software could allow an authenticated, local attacker to gain
Format String vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE So
A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could
A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 inform
A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could
A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthentica
A vulnerability in the Cisco Umbrella Integration feature of Cisco IOS XE Software could allow an unauthenticated, remot
Multiple vulnerabilities in the CLI parser of Cisco IOS XE Software could allow an authenticated, local attacker to gain
Multiple Buffer Overflow vulnerabilities in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Ci
A vulnerability in the Internet Group Management Protocol (IGMP) packet-processing functionality of Cisco IOS XE Softwar
A vulnerability in the Switch Integrated Security Features of Cisco IOS XE Software could allow an unauthenticated, remo
A vulnerability in the 802.1x multiple-authentication (multi-auth) feature of Cisco IOS Software could allow an unauthen
A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS Software running on certain mode
A vulnerability in Simple Network Management Protocol (SNMP) subsystem of Cisco IOS XE Software could allow an authentic
A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS Software and Cisco IOS XE Software co
A vulnerability in the Zone-Based Firewall code of Cisco IOS XE Software could allow an unauthenticated, remote attacker
A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthentica
A vulnerability in the Bidirectional Forwarding Detection (BFD) offload implementation of Cisco Catalyst 4500 Series Swi
A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Softwar
A vulnerability in the web-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote a
A vulnerability in the quality of service (QoS) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an
A vulnerability in Cisco IOS XE Software could allow an unauthenticated, remote attacker to log in to a device running a
A vulnerability in the web framework of Cisco Unified Communications Manager could allow an unauthenticated, remote atta
A vulnerability in the Border Gateway Protocol (BGP) over an Ethernet Virtual Private Network (EVPN) for Cisco IOS XE So
Frequently Asked Questions
How many CVEs affect Cisco?
Cisco has 25,873 CVE records in our database, including 1527 critical and 12515 high severity vulnerabilities. 90 of these are listed in CISA's Known Exploited Vulnerabilities catalog.
What are the most severe Cisco vulnerabilities?
Cisco has 1527 critical severity (CVSS 9.0+) and 12515 high severity (CVSS 7.0-8.9) vulnerabilities. 90 vulnerabilities are confirmed as actively exploited in the wild.
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