Clearswift MIMEsweeper 5.0.5, when it has been upgraded from MAILsweeper for SMTP version 4.3 or MAILsweeper Business Suite I or II, allows remote attackers to bypass scanning by including encrypted data in a mail message, which causes the message to be marked as Clean instead of Encrypted.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mailsweeper_business_suite_i | Clearswift | * | * |
| Mailsweeper_business_suite_ii | Clearswift | * | * |
| Mailsweeper_for_smtp | Clearswift | 4.3 (including) | 4.3 (including) |
| Mimesweeper_for_web | Clearswift | 5.0.5 (including) | 5.0.5 (including) |