Cisco patches high-severity SSL VPN denial-of-service flaw in ASA and FTD software
Cisco disclosed CVE-2024-20260, a high-severity flaw in Secure Firewall ASA and FTD software VPN and management web servers. Improper memory management for incoming SSL/TLS connections lets an unauthenticated remote attacker exhaust memory or buffers, degrading and halting SSL VPN processing. Cisco released software updates; no workarounds exist. The advisory was updated to cover all ASA and FTD platforms.
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