RSA announces the release of RSA BSAFE® Micro Edition Suite 4.5

Document created by RSA Product Team Employee on May 5, 2020Last modified by RSA Product Team Employee on May 21, 2020
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RSA announces the general availability of RSA BSAFE Micro Edition Suite (MES) 4.5 cryptographic toolkit.



MES 4.5 is a maintenance release addressing bug fixes and security fixes. 


Customers using MES 4.1.x and higher are required to upgrade to MES 4.5 in order to benefit from the updated FIPS cryptographic module and additional security.


Some of the notable changes in MES 4.5, from its previous release MES 4.4, include:

  • Multiple vulnerability fixes and other security related enhancements.
  • Cipher suites with SHA-1 signature hashes are removed from the default cipher suite list.
  • The TLS 1.0 and 1.1 protocols are disabled by default. The protocols must be added explicitly, if required. 
  • Numerous platform/environment updates. 


To receive this update contact RSA Support by following the guide How to contact RSA Support.


For additional documentation, downloads, and more, visit the RSA BSAFE page on RSA Link.


EOPS Policy:

RSA has a defined End of Primary Support policy associated with all major versions. Please refer to the Product Version Life Cycle for additional details.