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Product · Cisco

Cisco Secure Email

29 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Critical 9.8
    CVE-2026-76519 Exploited Public exploit

    Cisco Secure Email Gateway Arbitrary File Write Vulnerability

    A vulnerability in the Advanced Malware Protection (AMP) feature of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system. This vulnerability is due to improper handling of email…

    Cisco Cisco Secure Email Network devices
    KEV Oct 14, 2026
  • Critical 9.8
    CVE-2026-76461 Exploited Public exploit EPSS 40%

    Cisco Secure Email Gateway SQL Injection Vulnerability

    A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system. This vulnerability is due to i…

    Cisco Cisco Secure Email Network devices
    KEV Sep 14, 2026
  • Critical 9.8
    CVE-2026-76443 Public exploit

    Cisco Secure Email Gateway Security Hardening Release

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software ha…

    Cisco Cisco Secure Email Cisco Secure Email and Web Manager Network devices
  • Critical 10.0
    CVE-2025-20393 Exploited Public exploit EPSS 32%

    Cisco Secure Email Gateway and Cisco Secure Email and Web Manager Remote Command Execution Vulnerability

    A vulnerability in the Spam Quarantine feature of Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Email and Web Manager could allow an unauthenticated, remote attacker to execute arbitrary system commands on an affected device with root…

    Cisco Cisco Secure Email Cisco Secure Email and Web Manager Network devices
    KEV Dec 17, 2025
  • Medium 6.0
    CVE-2023-20075 Public exploit

    Vulnerability in the CLI of Cisco Secure Email Gateway could allow an authenticated, remote attacker to execute arbitra…

    Cisco Cisco Secure Email Network devices
  • Medium 6.5
    CVE-2023-20009 Public exploit

    A vulnerability in the Web UI and administrative CLI of the Cisco Secure Email Gateway (ESA) and Cisco Secure Email and…

    Cisco Cisco Secure Email Cisco Secure Email and Web Manager Network devices