Vendor
Cisco
3,442 known vulnerabilities.
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High 8.6
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability
A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload une…
KEV Aug 11, 2026 -
High 8.8CVE-2026-20200 Public exploit
Cisco Integrated Management Controller Argument Injection and Remote Code Execution Vulnerability
A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with low privileges to execute arbitrary commands on the underlying operating system of an affected system and elevate privileges to root. T…
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High 7.5CVE-2026-20217 Public exploit
ClamAV PESpin File Format Processing Out-of-Bounds Memory Corruption Vulnerability
A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to impro…
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High 7.8
Cisco Catalyst SD-WAN Controller Authenticated Privilege Escalation Vulnerability
A vulnerability in the CLI of Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator, formerly SD-WAN vBond, could allow an authenticated, local attacker to execute…
KEV Jun 9, 2026 -
High 8.6
Cisco Unified Communications Manager Server-Side Request Forgery Vulnerability
A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to conduct server-side request forgery (SSRF) attacks thr…
KEV Jun 25, 2026 -
High 8.6CVE-2026-20224 Public exploit
Cisco Catalyst SD-WAN Manager XML External Entity Injection Vulnerability
A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to read arbitrary files that are stored in an affected system. The attacker does not need to have valid user credentials. …
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High 8.2
Cisco Unified Communications Products Remote Code Execution Vulnerability
A vulnerability in Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unity Connectio…
KEV Jan 21, 2026 -
High 8.6CVE-2025-20343 Public exploit
Cisco Identity Services Engine Radius Suppression Denial of Service Vulnerability
A vulnerability in the RADIUS setting Reject RADIUS requests from clients with repeated failures on Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause Cisco ISE to restart unexpectedly. This vulnerability is due to a…
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High 7.7
A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS Software and Cisco IOS XE Softw…
KEV Sep 29, 2025 -
High 8.6CVE-2025-20115 Public exploit
Cisco IOS XR Software Border Gateway Protocol Denial of Service Vulnerability
A vulnerability in confederation implementation for the Border Gateway Protocol (BGP) in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to a memory corruption …
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High 8.6CVE-2024-20467 Public exploit
A vulnerability in the implementation of the IPv4 fragmentation reassembly code in Cisco IOS XE Software could allow an…
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High 7.2
A vulnerability in the web-based management interface of Cisco Finesse could allow an unauthenticated, remote attacker …
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High 8.7
A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) could allow an au…
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High 7.3CVE-2024-20338 Public exploit
A vulnerability in the ISE Posture (System Scan) module of Cisco Secure Client for Linux could allow an authenticated, …
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High 7.2
A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to inject …
KEV Oct 23, 2023 -
High 7.8CVE-2023-20178 Public exploit
A vulnerability in the client update process of Cisco AnyConnect Secure Mobility Client Software for Windows and Cisco …
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High 7.8CVE-2022-20818 Public exploit
Cisco SD-WAN Software Privilege Escalation Vulnerabilities
Multiple vulnerabilities in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges. These vulnerabilities are due to improper access controls on commands within the application CLI. An attacker could exploit …
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High 7.4
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software RSA Private Key Leak Vulnerability
A vulnerability in the handling of RSA keys on devices running Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to retrieve an RSA private key. This vulnerabilit…
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High 7.4CVE-2021-34767 Public exploit
Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers IPv6 Denial of Service Vulnerability
A vulnerability in IPv6 traffic processing of Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a Layer 2 (L2) loop in a configured VLAN, resulting in a den…
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High 7.5
Cisco Adaptive Security Device Manager Remote Code Execution Vulnerability
A vulnerability in the Cisco Adaptive Security Device Manager (ASDM) Launcher could allow an unauthenticated, remote attacker to execute arbitrary code on a user's operating system. This vulnerability is due to a lack of proper signature verification for spec…
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High 7.8CVE-2021-1480 Public exploit
Cisco SD-WAN vManage Software Vulnerabilities
Multiple vulnerabilities in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to execute arbitrary code or allow an authenticated, local attacker to gain escalated privileges on an affected system. For more information about these …
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High 7.8CVE-2021-1366 Public exploit
Cisco AnyConnect Secure Mobility Client for Windows with VPN Posture (HostScan) Module DLL Hijacking Vulnerability
A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack on an affected device if the VPN Posture (HostScan) Module is…
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High 7.5
Cisco Small Business Switches Information Disclosure Vulnerability
A vulnerability in the web UI of Cisco Small Business Switches could allow an unauthenticated, remote attacker to access sensitive device information. The vulnerability exists because the software lacks proper authentication controls to information accessible…
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High 7.8
Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability
A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack. To exploit this vulnerability, the attacker would need to ha…
KEV Oct 24, 2022 -
High 7.5
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Read-Only Path Traversal Vulnerability
A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct directory traversal attacks and read sensitive files…
KEV Nov 3, 2021 -
High 7.2
Cisco Data Center Network Manager Command Injection Vulnerabilities
Multiple vulnerabilities in the REST and SOAP API endpoints of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker with administrative privileges on the DCNM application to inject arbitrary commands on the underlying operati…
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High 7.2
Cisco Data Center Network Manager SQL Injection Vulnerabilities
Multiple vulnerabilities in the REST and SOAP API endpoints of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to execute arbitrary SQL commands on an affected device. To exploit these vulnerabilities, an attacker would …
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High 7.7
Cisco Wireless LAN Controller HTTP Parsing Engine Denial of Service Vulnerability
A vulnerability in the web interface of Cisco Wireless LAN Controller Software could allow a low-privileged, authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability exists due to a failure of the HT…
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High 7.2
Cisco Integrated Management Controller Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data Command Injection Vulnerability
A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow an authenticated, remote attacker to execute arbitrary commands on th…
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High 8.8
Cisco IOS XE NGWC Legacy Wireless Device Manager GUI Cross-Site Request Forgery Vulnerability
A vulnerability in the web-based management interface of Cisco IOS XE New Generation Wireless Controller (NGWC) could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack and perform arbitrary actions on an affected …
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High 7.2
Cisco Small Business 220 Series Smart Switches Command Injection Vulnerability
A vulnerability in the web management interface of Cisco Small Business 220 Series Smart Switches could allow an authenticated, remote attacker to perform a command injection attack. The vulnerability is due to insufficient validation of user-supplied input. …
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High 7.5
Cisco Data Center Network Manager Arbitrary File Download Vulnerability
A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to gain access to sensitive files on an affected device. The vulnerability is due to incorrect permissions settin…
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High 8.8
Cisco Prime Infrastructure and Evolved Programmable Network Manager Remote Code Execution Vulnerabilities
A vulnerability in the web-based management interface of Cisco Prime Infrastructure (PI) and Cisco Evolved Programmable Network (EPN) Manager could allow an authenticated, remote attacker to execute code with root-level privileges on the underlying operating …
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High 7.4CVE-2019-1749 Public exploit
Cisco Aggregation Services Router 900 Route Switch Processor 3 OSPFv2 Denial of Service Vulnerability
A vulnerability in the ingress traffic validation of Cisco IOS XE Software for Cisco Aggregation Services Router (ASR) 900 Route Switch Processor 3 (RSP3) could allow an unauthenticated, adjacent attacker to trigger a reload of an affected device, resulting i…
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High 7.8CVE-2019-1674 Public exploit
Cisco Webex Meetings Desktop App and Cisco Webex Productivity Tools Update Service Command Injection Vulnerability
A vulnerability in the update service of Cisco Webex Meetings Desktop App and Cisco Webex Productivity Tools for Windows could allow an authenticated, local attacker to execute arbitrary commands as a privileged user. The vulnerability is due to insufficient …
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High 7.2
Cisco Small Business RV320 and RV325 Routers Command Injection Vulnerability
A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an authenticated, remote attacker with administrative privileges on an affected device to execute arbitrary commands. The vu…
KEV Mar 3, 2022 -
High 7.5
Cisco Small Business RV320 and RV325 Routers Information Disclosure Vulnerability
A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an unauthenticated, remote attacker to retrieve sensitive information. The vulnerability is due to improper access controls …
KEV Nov 3, 2021 -
High 7.8
Cisco Webex Meetings Desktop App Update Service Command Injection Vulnerability
A vulnerability in the update service of Cisco Webex Meetings Desktop App for Windows could allow an authenticated, local attacker to execute arbitrary commands as a privileged user. The vulnerability is due to insufficient validation of user-supplied paramet…
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High 8.8
The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS and IOS XE Software contains multiple vulnerabilit…
KEV Mar 3, 2022 -
High 8.8
A vulnerability in the SNMP implementation of could allow an authenticated, remote attacker to cause a reload of the af…
KEV Apr 19, 2023