Zero-Day Vulnerability Archive | Cybersecurity Help


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Zero-Day Vulnerability Archive

Search all tracked zero-day vulnerabilities and narrow the results by year, vendor, software, weakness type, or presence in the CISA and ENISA known exploited vulnerability catalogs.

Archive results

28 vulnerabilities found

Filtered zero-day vulnerability archive
CVEVendor / ProductVulnerabilityCWEDiscoveredKEV
CVE-2026-76460Cisco Systems, IncCisco Identity Services Engine (ISE)Incorrect use of privileged APIs in Cisco Identity Services Engine (ISE)CWE-648CISA KEV
CVE-2026-76461Cisco Systems, IncSecure Email GatewaySQL injection in Secure Email GatewayCWE-89CISA KEV
CVE-2026-20349Cisco Systems, IncCisco Secure Firewall Adaptive Security Appliance (ASA)Heap Inspection in Cisco Firewall Threat Defense (FTD) and Cisco Adaptive Security Appliance (ASA)CWE-244CISA KEVENISA KEV
CVE-2026-20316Cisco Systems, IncCisco Secure Firewall Management Center (formerly Firepower Management Center, FMC)Use of Hard-coded Password in Cisco Secure Firewall Management Center (formerly Firepower Management Center, FMC)CWE-259CISA KEVENISA KEV
CVE-2026-20262Cisco Systems, IncCatalyst SD-WAN Manager (formerly SD-WAN vManage)Path traversal in Catalyst SD-WAN Manager (formerly SD-WAN vManage)CWE-22CISA KEVENISA KEV
CVE-2026-20245Cisco Systems, IncCatalyst SD-WAN Manager (formerly SD-WAN vManage)Improper Encoding or Escaping of Output in Catalyst SD-WAN Manager (formerly SD-WAN vManage)CWE-116CISA KEVENISA KEV
CVE-2026-20182Cisco Systems, IncCatalyst SD-WAN Controller (formerly SD-WAN vSmart)Improper authentication in Cisco Systems, Inc productsCWE-287CISA KEVENISA KEV
CVE-2026-20127Cisco Systems, IncCatalyst SD-WAN Controller (formerly SD-WAN vSmart)Improper authentication in Catalyst SD-WAN Controller (formerly SD-WAN vSmart) and Catalyst SD-WAN Manager (formerly SD-WAN vManage)CWE-287CISA KEVENISA KEV
CVE-2026-20045Cisco Systems, IncCisco Unified Communications ManagerCode Injection in Cisco Systems, Inc productsCWE-94CISA KEV
CVE-2025-20393Cisco Systems, IncSecure Email GatewayInput validation error in Cisco Secure Email and Web Manager and Secure Email GatewayCWE-20CISA KEVENISA KEV
CVE-2025-20362Cisco Systems, IncCisco Secure Firewall Adaptive Security Appliance (ASA)Missing authorization in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD)CWE-862CISA KEVENISA KEV
CVE-2025-20352Cisco Systems, IncCisco IOS XEStack-based buffer overflow in Cisco IOS XECWE-121CISA KEVENISA KEV
CVE-2024-20481Cisco Systems, IncCisco Secure Firewall Adaptive Security Appliance (ASA)Missing Release of Resource after Effective Lifetime in Cisco Firewall Threat Defense (FTD) and Cisco Adaptive Security Appliance (ASA)CWE-772CISA KEVENISA KEV
CVE-2024-20399Cisco Systems, IncCisco NX-OSOS Command Injection in Cisco NX-OSCWE-78CISA KEVENISA KEV
CVE-2024-20359Cisco Systems, IncCisco Secure Firewall Adaptive Security Appliance (ASA)Code Injection in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD)CWE-94CISA KEVENISA KEV
CVE-2024-20353Cisco Systems, IncCisco Secure Firewall Adaptive Security Appliance (ASA)Infinite loop in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD)CWE-835CISA KEVENISA KEV
CVE-2023-20198Cisco Systems, IncCisco IOS XEImproper Privilege Management in Cisco IOS XECWE-269CISA KEVENISA KEV
CVE-2023-20109Cisco Systems, IncCisco IOSOut-of-bounds write in Cisco IOS and Cisco IOS XECWE-787CISA KEVENISA KEV
CVE-2023-20269Cisco Systems, IncCisco Secure Firewall Adaptive Security Appliance (ASA)Authentication bypass using an alternate path or channel in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD)CWE-288CISA KEVENISA KEV
CVE-2022-20821Cisco Systems, IncCisco IOS XRImproper access control in Cisco IOS XRCWE-284CISA KEVENISA KEV

Showing 1–20 of 28 results