A vulnerability in the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) code of Cisco ASA Software could allow an unauthenticated, remote attacker to cause a reload of the affected system. The vulnerability is due to improper parsing of crafted SSL or TLS packets. An attacker could exploit this vulnerability by sending a crafted packet to the affected system. Note: Only traffic…
Severity
High 8.6
Published
20 Apr 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
4.6% in the next 30 daysHigher than 91% of CVEs. EPSS by FIRST, 11 Nov 2026
Sources
NVD
Affected software
Software
Affected versions
Cisco ASA and Firepower Threat DefenseServers and applications · cpe:o:cisco:adaptive_security_appliance_software