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CVE-2001-0280
Buffer overflow in MERCUR SMTP server 3.30 allows remote attackers to execute arbitrary commands via a long EXPN command.
High10.0EPSS 13.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Buffer overflow in MERCUR SMTP server 3.30 allows remote attackers to execute arbitrary commands via a long EXPN command.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 13.0% · top 3.7% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (3)
- 6027 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 20010223 Mercur Mailserver 3.3 buffer overflow with EXPN (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- mercur-expn-bo(6149) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2001-0280)Record last updated .