Last Modified: Apr 18, 2025
Affected Product(s):
BIG-IP APM, LTM
Known Affected Versions:
16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 17.0.0, 17.0.0.1, 17.0.0.2, 17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.5.0
Opened: Jun 18, 2024 Severity: 2-Critical
BIG-IP sends a TCP RST with the error message ‘bad state transition’ when the HTTP_REQUEST_SEND iRule event is triggered after the completion of the TLS handshake and acknowledgement by BIG-IP from the server.
Client-side traffic may get disrupted.
- BIG-IP1 is a proxy for clients - BIG-IP2 is provisioned with LTM and APM, connects to the server - BIG-IP2 has ACCESS::session iRule command in HTTP_REQUEST_SEND event
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