SMTP Service STARTTLS Plaintext Command Injection

We have a vulnerability on one Domino server. We have 4 Domino servers that were built and maintained the same but are only

getting the vulnerability on one of them. The problem is:

[low] [25/tcp/smtp] SMTP Service STARTTLS Plaintext Command Injection

Nessus sent the following two commands in a single packet : STARTTLS\r\nRSET\r\n And the server sent the following two responses : 220 Ready to start TLS 250 Reset state

Servers have been running for months without any problem. We are running Domino 9.0.1 FP2 with IF3. The problem showed up after we installed InterimFix 3.

Does anyone know how to fix this issue? Thanks.

Subject: Same issue here…

Hi Kevin

Did you ever get a fix for this? We are having the same issue with 9.0.1 FP3 IF3.

Does anyone know if there is a fix in the pipeline?

Thanks