Last Modified: Nov 22, 2021
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BIG-IP (all modules)
Known Affected Versions:
11.3.0, 11.4.0, 11.4.1
11.5.0, 11.4.1 HF9
Opened: Aug 05, 2013
When BIG-IP receives ClientHello message which has unsupported protocol version, it should send Alert message with protocol version as the received one.
BIGIP should send Alert message with the protocol version same as the one received in ClientHello. But BIGIP sends Alert message with protocol version 00 00
When BIGIP receives ClientHello with protocol version which is not supported by BIGIP.
BIG-IP sets the correct protocol version in Alert message when it receives a ClientHello with an unsupported protocol version.