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17 December 2025

Vulnerabilities first published on this day (UTC), newest first.

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  • 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