CVE Vulnerability Advisory Database
Filter vulnerabilities by CVSS severity, active CISA KEV exploitation, and technology stack.
Cisco ASA and FTD SSL VPN Remote Denial of Service Vulnerability (CVE-2026-76418)
[Affected Scope] Cisco ASA and FTD Software with Remote Access SSL VPN enabled and secondary authentication configured.
[Impact] Unauthenticated remote attackers can trigger an unexpected device reload, leading to a complete Denial of Service (DoS) of VPN services.
[Mitigation] Apply the latest security patches from Cisco immediately; review secondary authentication configurations if patching is delayed.
Cisco Secure Email Gateway AMP Arbitrary File Write and Root RCE Vulnerability (CVE-2026-76519)
[Affected Scope] All versions of Cisco Secure Email Gateway with Advanced Malware Protection (AMP) and File Reputation service enabled.
[Impact] An unauthenticated remote attacker can overwrite system files and execute arbitrary commands with root privileges by sending a crafted email attachment.
[Mitigation] Immediately apply the official AsyncOS security patches provided by Cisco. If patching is not possible, disable the AMP File Reputation feature as a temporary workaround.
Cisco Catalyst SD-WAN Manager Authentication Bypass and Admin Privilege Escalation (CVE-2026-76504)
[Affected Scope] Cisco Catalyst SD-WAN Manager (formerly vManage) software
[Impact] An unauthenticated, remote attacker can bypass authentication mechanisms and gain full administrative access to the system via crafted HTTP requests.
[Mitigation] Immediately apply the official security patches provided by Cisco and restrict access to management interfaces using ACLs.
Cisco Identity Services Engine (ISE) Critical Authentication Bypass Vulnerability (CVE-2026-76460)
[Affected Scope] Cisco Identity Services Engine (ISE) web-based management interface and API endpoints.
[Impact] Unauthenticated remote attackers can gain full administrative access to the device by bypassing authentication controls.
[Mitigation] Apply the latest security patches from Cisco immediately and restrict access to management interfaces via ACLs.
Cisco Secure Email Gateway (AsyncOS) SQL Injection to Remote Code Execution (RCE) Vulnerability (CVE-2026-76461)
[Affected Scope] All Cisco Secure Email Gateway appliances running vulnerable versions of Cisco AsyncOS Software.
[Impact] An unauthenticated remote attacker can execute arbitrary commands with root privileges by sending a crafted email, leading to full system compromise.
[Mitigation] Immediately apply the official security patches provided by Cisco and monitor for signs of exploitation.
Cisco ASA and FTD SSL VPN Remote Denial of Service Vulnerability (CVE-2026-20349)
[Affected Scope] Cisco Secure Firewall ASA and FTD Software with Remote Access SSL VPN service enabled
[Impact] Unauthenticated, remote attackers can cause an unexpected device reload, leading to a complete Denial of Service (DoS) condition
[Mitigation] Immediately upgrade to the patched software versions recommended in the Cisco Security Advisory
Cisco Secure Firewall Management Center (FMC) Static Credentials Vulnerability (CVE-2026-20316)
[Affected Scope] Web interface of Cisco Secure Firewall Management Center (FMC) Software
[Impact] Unauthenticated remote attackers can log in using hardcoded low-privileged credentials to access sensitive data, which can be chained with other flaws to escalate privileges
[Mitigation] Apply the official Cisco security updates immediately and restrict public internet access to the FMC management interface
Cisco Catalyst SD-WAN Manager Arbitrary File Creation and Overwrite Vulnerability (CVE-2026-20262) Advisory
[Affected Scope] Web UI and API endpoints of Cisco Catalyst SD-WAN Manager (formerly SD-WAN vManage)
[Impact] An authenticated remote attacker can create or overwrite arbitrary files on the filesystem, potentially leading to root privilege escalation
[Mitigation] Immediately apply the official Cisco security patches and monitor unauthorized API requests and file upload activities
Cisco Catalyst SD-WAN CLI Input Validation Vulnerability Leading to Root Privilege Escalation (CVE-2026-20245)
[Affected Scope] Cisco Catalyst SD-WAN Controller (formerly vSmart), Manager (formerly vManage), and Validator (formerly vBond)
[Impact] An authenticated, local attacker with netadmin privileges can execute arbitrary commands as root and push unauthorized configuration changes to edge devices
[Mitigation] Immediately upgrade to the fixed software versions recommended by Cisco and verify the configuration integrity of all managed edge devices.
Cisco Unified Communications Manager (Unified CM) SSRF and Privilege Escalation Vulnerability (CVE-2026-20230)
[Affected Scope] Cisco Unified Communications Manager (Unified CM) and Session Management Edition (Unified CM SME) with WebDialer service enabled
[Impact] Unauthenticated remote attackers can perform SSRF, write arbitrary files to the underlying OS, and subsequently escalate privileges to root
[Mitigation] Apply official Cisco security patches immediately, or disable the WebDialer service as a temporary workaround
Cisco Catalyst SD-WAN Peering Authentication Bypass Vulnerability (CVE-2026-20182)
[Affected Scope] Cisco Catalyst SD-WAN Controller (formerly vSmart), Manager (formerly vManage), and Validator (formerly vBond)
[Impact] Unauthenticated remote attackers can bypass authentication to obtain administrative privileges and manipulate the SD-WAN fabric configuration via NETCONF
[Mitigation] Apply official security patches immediately, and perform system checks on control connections as a temporary measure
Cisco Secure Firewall Management Center (FMC) Insecure Deserialization Vulnerability (CVE-2026-20131, CVSS 10.0) - Remote Code Execution and Root Privilege Escalation
[Affected Scope] Web-based management interface of Cisco Secure Firewall Management Center (FMC) Software.
[Impact] Unauthenticated, remote attackers can execute arbitrary Java code with root privileges by sending crafted serialized Java objects.
[Mitigation] Apply official Cisco security patches immediately and restrict public internet access to the FMC management interface.
Cisco Secure Firewall Management Center (FMC) Authentication Bypass and Root RCE Vulnerability (CVE-2026-20079)
[Affected Scope] Web-based management interface of Cisco Secure Firewall Management Center (FMC) Software
[Impact] Unauthenticated remote attackers can bypass authentication and execute scripts to obtain full root access to the underlying operating system
[Mitigation] Immediate application of official security patches and restriction of management interface access via ACLs
Cisco Catalyst SD-WAN Software Information Disclosure Vulnerability (CVE-2026-20133)
[Affected Scope] Network devices and virtual appliances running Cisco Catalyst SD-WAN Software
[Impact] Attackers can bypass file system restrictions via vshell access to read sensitive underlying operating system information
[Mitigation] Apply the official Cisco security patches immediately and restrict vshell/CLI access privileges
Cisco Catalyst SD-WAN Manager Data Collection Agent (DCA) Credential Exposure Vulnerability (CVE-2026-20128)
[Affected Scope] Cisco Catalyst SD-WAN Manager releases prior to 20.18
[Impact] Unauthenticated, remote attackers can retrieve the DCA password file via crafted HTTP requests and gain unauthorized DCA user privileges
[Mitigation] Immediately upgrade Cisco Catalyst SD-WAN Manager to release 20.18 or later
Cisco Catalyst SD-WAN Manager Arbitrary File Overwrite and Privilege Escalation Vulnerability (CVE-2026-20122)
[Affected Scope] Cisco Catalyst SD-WAN Manager (formerly vManage) API interface
[Impact] Authenticated remote attackers with read-only API credentials can overwrite arbitrary files on the local file system and gain vmanage user privileges
[Mitigation] Apply official Cisco security patches immediately, restrict API access, and audit API permissions for low-privileged accounts
Cisco IOS 12.4 HTTP Administration Component Cross-Site Request Forgery (CSRF) Remote Command Execution (CVE-2008-4128)
[Affected Scope] Cisco 871 Integrated Services Routers (ISR) running Cisco IOS 12.4 with the HTTP Administration component enabled.
[Impact] Remote attackers can execute arbitrary commands with privilege level 15 by tricking an authenticated administrator into visiting a malicious link, leading to complete device compromise.
[Mitigation] Disable the HTTP/HTTPS server on the router, restrict access using IP-based Access Control Lists (ACLs), or upgrade to a patched Cisco IOS release.