When using the attachment interaction functionality, Blue Mail 1.140.103 and below saves documents to a file system without a Mark-of-the-Web tag, which allows attackers to bypass the built-in file protection mechanisms of both Windows OS and third-party software.
The CVSS severity warrants an early asset and exposure review.
When using the attachment interaction functionality, Blue Mail 1.140.103 and below saves documents to a file system without a Mark-of-the-Web tag, which allows attackers to bypass the built-in file protection mechanisms of both Windows OS and third-party software.
Confirm exposure before applying a vendor-supported change.
Confirm that bluemail and an affected version are present.
Combine exploitation signals with asset exposure and business criticality.
Follow the vendor advisory or supported update path and preserve rollback options.
Recheck the version, service health, access paths, and relevant logs.
