May 2018 Security Update

SAGE Monthly Security / Firmware Update Notice
 
​Update Summary:
                On May 4, 2018, we released C3414-500-S02K2_P4, which fixed a bug in the local authentication that was introduced in the previous patch, C3414-500-S02K2_P3. 

may_2018_security_update.pdf
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​If a user tries to log in with a username that does not exist in that RTU’s user database, one of the web server tasks would crash.  There are 5 web server tasks running in the RTU so after five failed attempts, the RTU would need to be rebooted for the Web GUI to function properly.  All SCADA / RTU functionality will continue to work properly, just the configuration interface was affected. 
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This only affects RTU’s running the C3414-500-S02K2_P3 firmware, so we advise anyone running this firmware to update to C3414-500-S02K2_P4.  ​