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Cisco Secure Firewall ASA/FTD mitigation for CVE-2025-20333 and CVE-2025-20362

Advisory/Mitigation
First reported
Last updated
Happening score
H score 51
1 unique sources, 1 articles

Summary

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Cisco urged customers to apply updates for Cisco Secure Firewall ASA and FTD devices susceptible to CVE-2025-20333 and CVE-2025-20362, after a new attack variant was found to trigger unexpected reloads and DoS conditions on unpatched systems.

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Timeline

  1. 06.11.2025 16:58 2 articles · 6mo ago

    Cisco urges patching for ASA/FTD firewall attack variant

    Mitigation Patch Update

    Cisco issued an updated advisory for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software releases susceptible to CVE-2025-20333 and CVE-2025-20362, warning that a new attack variant can make unpatched devices unexpectedly reload and create denial-of-service (DoS) conditions and urging customers to apply the updates as soon as possible.

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