CVE-2025-20393

CVE-2025-20393 📌 Overview CVE-2025-20393 is a critical Remote Command Execution RCE vulnerability affecting Cisco Secure Email Gateway SEG and Cisco Secure Email and Web Manager SEWM appliances running Cisco AsyncOS. The vulnerability exists due to improper input validation in the Spam Quarantine...

cisco-CVE-2023-20009

About Security researcher: ly1g3, ly1g3attuta.io GPG fingerprint: https://keys.openpgp.org/vks/v1/by-fingerprint/5FE85CE4E8F675F5ABD2C0A33CE8BE447ED6D586 Overview: Remote Code Execution - RCE from config file CVE: CVE-2023-20009 Timeline: Discovered - ly1g3 Reported - ly1g3 Fixed - Cisco Cisco...

cisco-CVE-2023-20075

About Security researcher: ly1g3, ly1g3attuta.io GPG fingerprint: https://keys.openpgp.org/vks/v1/by-fingerprint/5FE85CE4E8F675F5ABD2C0A33CE8BE447ED6D586 Overview: Local Privilege Escalation and Shell Escape CVE: CVE-2023-20075 Timeline: Discovered - ly1g3 Reported - ly1g3 Fixed - Cisco Cisco...

CVE-2023-20178

CVE-2023-20178 This is PoC for Arbitrary File Delete vulnerability in Cisco Secure Client tested on 5.0.01242 and Cisco AnyConnect tested on 4.10.06079. When a user connect to vpn, vpndownloader.exe process is started in background and it will create directory in c:\windows\temp with default...

CVE-2026-20079

CVE-2026-20079 Cisco Secure FMC PoC Python proof of concept for the publicly documented Cisco Secure Firewall Management Center authentication-bypass-to-root-RCE chain in CVE-2026-20079. This is not a new vulnerability or independently developed exploit chain. It is a clean-room implementation of...

CVE-2026-20079

🚨 CVE-2026-20079 "Critical Cisco FMC Zero-Day" Critical Authentication Bypass Leading to Root RCE in Cisco Secure Firewall Management Center 📋 Overview CVE-2026-20079 is a critical vulnerability in the web interface of Cisco Secure Firewall Management Center FMC Software. An unauthenticated remot...

CVE-2026-20131-Post-Incident-Written-Report

CVE-2026-20131-Post-Incident-Written-Report This post-incident report analyzes the exploitation of CVE-2026-20131, a critical zero-day unauthenticated Remote Code Execution RCE vulnerability in Cisco Secure Firewall Management Center FMC. The document covers the initial intrusion vector via Java...

CVE-2026-20131

CVE-2026-20131 — Cisco Secure FMC Remote Code Execution Java Deserialization Severity: Critical CVSS 3.1: 10.0 CWE: CWE-502 — Deserialization of Untrusted Data Affected: Cisco Secure Firewall Management Center FMC Software Advisory: cisco-sa-fmc-rce-NKhnULJh Bug ID: CSCwt14636 Overview A...

CVE-2026-76461-Detection-Kit-

CVE-2026-76461 — Detection & Response Kit Detection, hunting, and remediation resources for CVE-2026-76461 , a critical SQL injection vulnerability in Cisco AsyncOS for Cisco Secure Email Gateway SEG. ⚠️ Disclaimer This repository contains defensive content only : Sigma rules, YARA rules, technica...

Vulnerability fixed in Cisco Secure Firewall ASA and FTD Software

Cisco has addressed a critical vulnerability in the Cisco Secure Firewall Adaptive Security Appliance ASA and Cisco Secure Firewall Threat Defense FTD. Cisco confirms that this vulnerability is currently being actively exploited. This vulnerability, identified as CVE-2026-76418, carries a CVSS...

CISA Adds Actively Exploited GitLab RCE and Cisco Firewall DoS Flaws to KEV

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Thursday added two security flaws impacting Cisco and GitLab software to its Known Exploited Vulnerabilities KEV, citing evidence of active exploitation. The vulnerabilities are listed below - CVE-2026-97229 CVSS score: 10.0 - An...

Cisco Secure Firewall DoS

The vulnerability in the implementation of the SSL VPN technology for Cisco Secure Firewall Threat Defense FTD and Cisco Secure Firewall Adaptive Security Appliance ASA is related to an unvalidated return value that results in dereferencing a null pointer. Exploitation of this vulnerability enabl...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound vulnerability CVE-2026-76418 Cisco Secure Firewall ASA Software and...

Cisco Patches Actively Exploited ASA and FTD VPN Flaw That Can Crash Firewalls

Cisco has released patches to address a high-severity security flaw in Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software that it said has been exploited in the wild. The vulnerability, tracked as CVE-2026-76418 , is rated 8.6 on the CVSS...

Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability

Cisco Secure Firewall ASA Software and Cisco Secure FTD Software contains an unchecked return value to NULL pointer dereference vulnerability that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service DoS condition...

CVE-2026-76418

A vulnerability in the Remote Access SSL VPN service of 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 unexpectedly, resulting in a denial of service...

CVE-2026-76418 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Tunnel Denial of Service Vulnerability

A vulnerability in the Remote Access SSL VPN service of 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 unexpectedly, resulting in a denial of service...

CVE-2026-76418

A logic error in the Remote Access SSL VPN service of Cisco Secure Firewall ASA and FTD Software allows an unauthenticated, remote attacker to cause the device to reload unexpectedly, leading to a denial-of-service (DoS) condition. The vulnerability is triggered by sending a crafted request when ...

CVE-2026-76418 Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Tunnel Denial of Service Vulnerability

A vulnerability in the Remote Access SSL VPN service of 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 unexpectedly, resulting in a denial of service...

EUVD-2026-112462

A vulnerability in the Remote Access SSL VPN service of 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 unexpectedly, resulting in a denial of service...