Last Modified: Jul 18, 2026
Affected Product(s):
BIG-IP APM
Known Affected Versions:
12.0.0, 12.0.0 hf1, 12.0.0 hf2, 12.0.0 hf3, 12.0.0 hf4, 12.1.0, 12.1.0 hf1, 12.1.0 hf2, 12.1.1, 12.1.1 hf1, 12.1.1 hf2, 12.1.2, 12.1.2 hf1, 12.1.2 hf2, 13.0.0, 13.0.0 hf1, 13.0.0 hf2, 13.0.0 hf3, 13.0.1
Fixed In:
13.1.0, 12.1.3
Opened: Apr 19, 2017 Severity: 3-Major Related Article:
K54310201
Following a restart, if apmd executes an iRule policy evaluate before its reinitialization is complete, apmd can crash.
apmd crashes and restarts, preventing end users from logging in.
If apmd restarts due to a crash or explicit restart command but tmm remains active, then iRule policy evaluate commands can reach apmd before it completes initialization and it will crash.
NOne.
Now APMD has a more robust initialization process to ensure that it does not execute access policies from iRule commands before it is ready.