m-FILTER prior to Ver.5.70R01 (Ver.5 Series) and m-FILTER prior to Ver.4.87R04 (Ver.4 Series) allows a remote unauthenticated attacker to bypass authentication and send users unintended email when email is being sent under the certain conditions. The attacks exploiting this vulnerability have been observed.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| M-filter | Daj | 4.0 (including) | 4.87r04 (excluding) |
| M-filter | Daj | 5.0 (including) | 5.70r01 (excluding) |