CVE Vulnerability Advisory Database
Filter vulnerabilities by CVSS severity, active CISA KEV exploitation, and technology stack.
Cisco Small Business RV Series Routers SSL VPN Remote Code Execution Vulnerability (CVE-2022-20699) Technical Advisory
[Affected Scope] Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers
[Impact] Unauthenticated remote attackers can execute arbitrary code with root privileges or cause a complete system compromise via the SSL VPN gateway
[Mitigation] Immediately upgrade to the latest patched firmware versions provided by Cisco, and restrict access to the SSL VPN port from untrusted networks
Cisco HyperFlex HX Web-Based Management Interface Remote Command Injection Vulnerability (CVE-2021-1498) Security Advisory
[Affected Scope] Systems running Cisco HyperFlex HX Data Platform with the web-based management interface enabled
[Impact] Unauthenticated, remote attackers can execute arbitrary system commands with root privileges on the affected device by sending crafted HTTP requests
[Mitigation] Immediately apply the official security patches provided by Cisco and restrict external access to the web management interface
Cisco HyperFlex HX Web-Based Management Interface Remote Command Injection Vulnerability (CVE-2021-1497) Analysis and Mitigation Guide
[Affected Scope] Web-based management interface of Cisco HyperFlex HX Data Platform
[Impact] Unauthenticated, remote attackers can execute arbitrary OS commands with system privileges, leading to complete device compromise
[Mitigation] Apply official Cisco security patches immediately, or restrict network access to TCP ports 80/443 to trusted administrative networks
Cisco ASA and FTD Web Services Interface Cross-Site Scripting (XSS) Vulnerability (CVE-2020-3580) Analysis & Mitigation Guide
[Affected Scope] Cisco ASA and FTD Software with AnyConnect or WebVPN configurations enabled
[Impact] Unauthenticated remote attackers can execute arbitrary script code in the user's browser context, potentially compromising session tokens and sensitive data
[Mitigation] Apply official Cisco software updates immediately and restrict access to the web services interface
Cisco IOS XR DVMRP Memory Exhaustion and IGMP Process Crash Vulnerability (CVE-2020-3569) Analysis & Mitigation Guide
[Affected Scope] Cisco IOS XR Software with the Distance Vector Multicast Routing Protocol (DVMRP) feature enabled
[Impact] An unauthenticated, remote attacker can cause an immediate crash of the IGMP process or exhaust system memory, leading to instability in critical routing protocols and denial of service (DoS)
[Mitigation] Apply official Cisco software updates, disable DVMRP multicast routing where not required, or implement IGMP packet filtering ACLs
Cisco IOS XR DVMRP Memory Exhaustion and Denial of Service Vulnerability (CVE-2020-3566)
[Affected Scope] Cisco IOS XR Software with the Distance Vector Multicast Routing Protocol (DVMRP) feature enabled
[Impact] Unauthenticated, remote attackers can cause complete memory exhaustion, leading to instability or crash of critical routing protocols and system processes (Denial of Service)
[Mitigation] Apply official Cisco software updates immediately, or implement temporary workarounds such as infrastructure ACLs to rate-limit or block unauthorized IGMP traffic
Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Local Privilege Escalation (CVE-2020-3433)
[Affected Scope] Cisco AnyConnect Secure Mobility Client for Windows versions prior to 4.9.03015
[Impact] An authenticated local attacker can exploit the IPC channel to load a malicious DLL, leading to arbitrary code execution with NT AUTHORITY\SYSTEM privileges.
[Mitigation] Immediately upgrade all affected Windows endpoints to Cisco AnyConnect Secure Mobility Client version 4.9.03015 or later.
Cisco ASA and FTD Web Services Interface Directory Traversal Vulnerability (CVE-2020-3452) Analysis & Mitigation Guide
[Affected Scope] Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software with WebVPN or AnyConnect features enabled.
[Impact] Unauthenticated, remote attackers can perform directory traversal attacks to read sensitive arbitrary files within the web services file system.
[Mitigation] Immediately apply the official security patches provided by Cisco and restrict access to the web services interface.
Cisco ASA and FTD Web Services Interface Memory Information Disclosure Vulnerability (CVE-2020-3259) Analysis & Mitigation Guide
[Affected Scope] Cisco ASA Software and Cisco FTD Software with AnyConnect VPN or WebVPN configurations enabled
[Impact] An unauthenticated, remote attacker can retrieve sensitive memory contents (such as user credentials and session tokens) by sending crafted HTTP GET requests
[Mitigation] Apply the official firmware patches provided by Cisco immediately, or restrict access to the web services interface if patching is delayed
Cisco IP Phone Web Server Remote Code Execution and DoS Vulnerability (CVE-2020-3161) Technical Advisory
[Affected Scope] Cisco IP Phone series running vulnerable firmware versions with the web server service enabled
[Impact] Unauthenticated remote attackers can execute arbitrary code with root privileges or trigger a device reload, leading to a Denial of Service (DoS) condition
[Mitigation] Apply official vendor firmware patches immediately, or disable the Web Access feature and restrict HTTP/HTTPS access via ACLs
Cisco AnyConnect Secure Mobility Client for Windows Path Traversal Local Privilege Escalation (CVE-2020-3153) Security Advisory
[Affected Scope] Cisco AnyConnect Secure Mobility Client for Windows versions 4.8.01090 and prior
[Impact] An authenticated local attacker can copy arbitrary malicious DLL files to system-level directories, leading to arbitrary code execution with SYSTEM privileges
[Mitigation] Immediately upgrade to the patched official release (version 4.8.02042 or later)
Cisco IOS XR Cisco Discovery Protocol (CDP) Remote Code Execution and Stack Overflow Vulnerability (CVE-2020-3118)
[Affected Scope] Cisco network devices running Cisco IOS XR Software with Cisco Discovery Protocol (CDP) enabled
[Impact] An unauthenticated, adjacent attacker in the same Layer 2 broadcast domain can execute arbitrary code with administrative privileges or cause a denial of service (device reload)
[Mitigation] Apply official Cisco software patches immediately, or disable CDP globally/on untrusted interfaces as a temporary workaround
Cisco Small Business RV Series Routers Remote Command Execution Vulnerability Analysis and Mitigation Guide (CVE-2019-15271)
[Affected Scope] Web-based management interface of certain Cisco Small Business RV Series Routers (including RV110W, RV130, RV130W, RV215W).
[Impact] An authenticated, remote attacker with valid credentials or an active session token can execute arbitrary commands with root privileges.
[Mitigation] Apply the official firmware updates from the vendor, or disable remote WAN management and restrict access to the web interface.
Cisco Small Business RV320 and RV325 Routers Unauthenticated Information Disclosure Vulnerability (CVE-2019-1653) Technical Advisory
[Affected Scope] Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers running vulnerable firmware versions.
[Impact] Unauthenticated remote attackers can download sensitive router configuration files and diagnostic data, potentially exposing administrative credentials and network layouts.
[Mitigation] Apply the official firmware updates provided by Cisco immediately and disable remote WAN management access.
Cisco RV320 and RV325 VPN Routers Remote Command Execution Vulnerability Analysis and Mitigation Guide (CVE-2019-1652)
[Affected Scope] Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers
[Impact] An authenticated, remote attacker with administrative privileges can execute arbitrary commands as root on the underlying Linux shell by sending malicious HTTP POST requests
[Mitigation] Immediately apply the official firmware updates released by Cisco and restrict access to the web-based management interface
Cisco ASA and FTD Web Interface Path Traversal and Denial of Service Vulnerability (CVE-2018-0296) Technical Advisory
[Affected Scope] Cisco ASA Software and Cisco FTD Software running on devices with enabled web interfaces (SSL VPN, AnyConnect, Clientless Portal, etc.)
[Impact] Unauthenticated, remote attackers can trigger an unexpected device reload (DoS) or view sensitive system information without authentication via directory traversal
[Mitigation] Apply official software updates from Cisco immediately, restrict web interface access using ACLs, or disable unnecessary HTTP services
Cisco IOS Software Login Enhancements Remote Denial of Service Vulnerability (CVE-2018-0180)
[Affected Scope] Cisco devices running Cisco IOS Software Release 15.4(2)T, 15.4(3)M, or 15.4(2)CG and later with Login Enhancements (Login Block) enabled
[Impact] An unauthenticated, remote attacker can trigger an unexpected system reload, leading to a complete Denial of Service (DoS) condition
[Mitigation] Apply the official Cisco IOS software updates, or temporarily disable the 'login block-for' feature and restrict virtual terminal (vty) access using infrastructure ACLs
Cisco IOS Software Login Enhancements Remote Denial of Service Vulnerability (CVE-2018-0179)
[Affected Scope] Cisco devices running Cisco IOS Software Releases 15.4(2)T, 15.4(3)M, or 15.4(2)CG and later with Login Enhancements (Login Block) enabled
[Impact] An unauthenticated, remote attacker can trigger an unexpected system reload, leading to a persistent Denial of Service (DoS) condition
[Mitigation] Upgrade to the latest patched Cisco IOS software release or temporarily disable/modify the Login Block configuration
Cisco IOS / IOS XE / IOS XR LLDP Subsystem Format String Vulnerability (CVE-2018-0175) Technical Analysis and Hardening Guide
[Affected Scope] Cisco devices running Cisco IOS, IOS XE, or IOS XR Software with Link Layer Discovery Protocol (LLDP) enabled.
[Impact] An unauthenticated, adjacent attacker can send crafted LLDP packets to trigger a denial of service (DoS) or execute arbitrary code with elevated privileges.
[Mitigation] Apply official Cisco software updates immediately, or disable LLDP globally/per-interface as a temporary workaround.
Cisco IOS and IOS XE DHCP Option 82 Encapsulation Input Validation Vulnerability (CVE-2018-0174)
[Affected Scope] Cisco IOS and IOS XE Software with DHCP Option 82 encapsulation functionality enabled
[Impact] An unauthenticated, remote attacker can cause the affected device to reload, resulting in a complete Denial of Service (DoS) condition
[Mitigation] Apply the official software updates from Cisco, or disable DHCP Option 82 / relay features and restrict DHCP traffic using ACLs