Topic: cve-2025-20393

Sort by: Relevance | Date
  • Cisco Email Security Appliances Hacked via Unpatched Zero-Day
    December 19, 2025
    80%

    Cisco Email Security Appliances Hacked via Unpatched Zero-Day

    A critical zero-day vulnerability (CVE-2025-20393) in Cisco email security appliances is being exploited, allowing attackers to gain full control, particularly when a non-default Spam Quarantine feature is exposed to the internet. Attackers have installed a sophisticated toolkit for persistent, s...

    Read More »

Related Topics

apt groups (1) incident response (1) chinese threat actors (1) cybersecurity alerts (1) security advisory (1) persistence mechanisms (1) previous attacks (1) cisco vulnerabilities (1)