CVE-2001-1581 — HIGH severity vulnerability (The File Blocker feature in Clearswift MAILsweeper for SMTP)
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.
| CVE ID | CVE-2001-1581 |
|---|---|
| Severity | HIGH |
| CVSS score | 7.5 |
| CVSS vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| CWE | NVD-CWE-Other |
| Status | Modified |
| Published | 2001-12-31 |
| Last modified | 2026-04-16 |
| Description | 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. |
| Source | NIST National Vulnerability Database |
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