Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Secure Firewall 3100 and 4200 Series DTLS Denial of Service Vulnerability
Cisco patched a DTLS flaw in ASA and FTD software for Secure Firewall 3100/4200 series letting unauthenticated attackers trigger device reloads.
Improper resource management when processing DTLS messages in Cisco ASA and Secure Firewall Threat Defense software for Secure Firewall 3100 and 4200 series devices allows an unauthenticated remote attacker to cause a denial of service. Exploitation via a crafted stream of DTLS traffic causes the device to reload. Cisco has released software updates.
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