CVE-2001-1581
The File Blocker feature in Clearswift MAILsweeper for SMTP 4.2 allows remote attackers to bypass...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2001-1581- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2001-1581- Updated
- 2026-11-02
EUVDEUVD-2001-1558 No score
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.
- Record
EUVD-2001-1558- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-285q-389j-cw7m No score
The File Blocker feature in Clearswift MAILsweeper for SMTP 4.2 allows remote attackers to bypass...
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.
- Record
GHSA-285q-389j-cw7m- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2001-1581 is a high vulnerability (CVSS 7.5) in Clearswift Limited Mailsweeper, published December 31, 2001. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.26%, the 69th percentile. No source names a fixed version.