Last Modified: Jul 28, 2026
Affected Product(s):
BIG-IP ASM
Known Affected Versions:
17.1.3, 17.1.3.1, 17.1.3.2
Fixed In:
21.1.0.1, 21.0.0.3, 17.5.1.8, 17.1.3.4
Opened: Mar 11, 2026 Severity: 3-Major
Handshake failure logs observed in /var/log/asm: ASM subsystem error (asmcrond,(eval)): Failed to send webhook: ASM subsystem error (asmcrond,(eval)): 500 handshakefailed
Cannot use webhook function when using a http proxy server
Use webhook with a HTTP proxy server
None
Upgarde perl-LWP-Protocol-https from 6.04 to 6.10