The updateuser servlet in Neon WebMail for Java before 5.08 does not validate the in_id parameter, which allows remote attackers to modify information of arbitrary users, as demonstrated by modifying (1) passwords and (2) permissions, (3) viewing profile settings, and (4) creating and (5) deleting users.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Neon_webmail | Neosys | 5.06 (including) | 5.06 (including) |
| Neon_webmail | Neosys | 5.07 (including) | 5.07 (including) |