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-2023-20178

CVE-2023-20178 Este es un PoC para la vulnerabilidad de eliminación arbitraria de archivos en Cisco Secure Client probado en 5.0.01242 y Cisco AnyConnect probado en 4.10.06079. Cuando un usuario se conecta a la VPN, el proceso vpndownloader.exe se inicia en segundo plano y creará un directorio en...

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-2025-20393

CVE-2025-20393 📌 Descripción general CVE-2025-20393 es una vulnerabilidad crítica de Ejecución Remota de Comandos RCE que afecta a los equipos Cisco Secure Email Gateway SEG y Cisco Secure Email and Web Manager SEWM que ejecutan Cisco AsyncOS. La vulnerabilidad existe debido a una validación de...

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...

cisco-CVE-2023-20075

Acerca de Investigador de seguridad: ly1g3, ly1g3attuta.io Huella GPG: https://keys.openpgp.org/vks/v1/by-fingerprint/5FE85CE4E8F675F5ABD2C0A33CE8BE447ED6D586 Resumen: Escalada local de privilegios y escape de shell CVE: CVE-2023-20075 Cronología: Descubierto - ly1g3 Reportado - ly1g3 Corregido -...

cisco-CVE-2023-20009

Acerca de Investigador de seguridad: ly1g3, ly1g3attuta.io Huella GPG: https://keys.openpgp.org/vks/v1/by-fingerprint/5FE85CE4E8F675F5ABD2C0A33CE8BE447ED6D586 Resumen: Ejecución remota de código - RCE desde archivo de configuración CVE: CVE-2023-20009 Cronología: Descubierto - ly1g3 Reportado -...

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...

Cisco Secure Firewall Management Center Software Vulnerabilities (cisco-sa-fmc-mulivulns-4PsnFwvx)

According to its self-reported version, Cisco Secure Firewall Management Center FMC is affected by multiple vulnerabilities. Please see the included Cisco BIDs and Cisco Security Advisory for more information. TRUSTED...

CVE-2026-20079

🚨 CVE-2026-20079 "Zero-Day crítico en Cisco FMC" Omisión crítica de autenticación que conduce a RCE root en Cisco Secure Firewall Management Center 📋 Resumen CVE-2026-20079 es una vulnerabilidad crítica en la interfaz web del software Cisco Secure Firewall Management Center FMC. Un atacante remot...

Cisco Secure Firewall Threat Defense Software sftunnel Authentication Bypass (cisco-sa-fmcftd-sftun-multivulns-WGVHOrN3)

According to its self-reported version, Cisco Secure Firewall Threat Defense FTD Software is affected by multiple vulnerabilities. - A denial of service DoS vulnerability exists in the sftunnel functionality due to improper memory management. An unauthenticated, remote attacker can exploit this...

Cisco Secure Firewall Management Center Software sftunnel Authentication Bypass (cisco-sa-fmcftd-sftun-multivulns-WGVHOrN3)

According to its self-reported version, Cisco Secure Firewall Management Center FMC is affected by multiple vulnerabilities. - A denial of service DoS vulnerability exists in the sftunnel functionality due to improper memory management. An unauthenticated, remote attacker can exploit this issue,...

Cisco Secure Firewall Threat Defense Software TLS 1.3 DoS (cisco-sa-ftd-tls1-3-dos-dLxwFWgF)

According to its self-reported version, Cisco Secure Firewall Threat Defense FTD Software is affected by a denial of service vulnerability. A flaw exists within the TLS 1.3 implementation due to improper buffer management. An unauthenticated, remote attacker can exploit this issue, via a crafted...

CVE-2026-76412

A vulnerability in the remote diagnostics debugger of Cisco Secure FMC Software could allow an authenticated, remote attacker to enable the remote diagnostics debugger service. This vulnerability is due to an error when checking the privilege level of a user who is invoking remote diagnostics. An...

CVE-2026-20340

A vulnerability in Cisco Secure FMC Software could allow an authenticated, remote attacker to execute arbitrary commands at the root privilege level. This vulnerability is due to unsecured deserialization of web-management user-controlled data. An attacker could exploit this vulnerability by...

CVE-2026-20344

A vulnerability in the web-based management interface of Cisco Secure FMC Software could allow an authenticated, remote attacker to perform a SQL injection attack against an affected device. To exploit this vulnerability, the attacker must have a valid account on the device with the role of...

CVE-2026-20335

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal securi...

CVE-2026-20336

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal securi...

CVE-2026-20342

A vulnerability in a specific file download API of Cisco Secure FMC Software could allow an authenticated, remote attacker to download arbitrary files from an affected system. This vulnerability exists because user input is not being sanitized. An attacker could exploit this vulnerability by...

CVE-2026-20343

A vulnerability in a critical API for Cisco Secure FMC Software could allow an unauthenticated, remote attacker to download sensitive files and use unbounded disk space. This vulnerability exists because a critical API lacks authentication. An attacker could exploit this vulnerability by repeated...