The File Blocker feature in Clearswift MAILsweeper for SMTP 4.2 allows remote attackers to bypass e-mail attachment filtering policies via a modified name in a Content-Type header.
CVSS 2.0
Severity: HIGH
Problem Type: NVD-CWE-Other,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| clearswift_limited | mailsweeper | 4.2 |
Clearswift MAILsweeper for SMTP 4.3.6 SP1 does not execute custom "on strip unsuccessful" hooks, which allows remote attackers to bypass e-mail attachment filtering policies via an attachment that MAILsweeper can detect but not remove.
CVSS 2.0
Severity: MEDIUM
Problem Type: NVD-CWE-Other,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| clearswift_limited | mailsweeper | 4.3.6_sp1 |