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CVE-2003-1177
Buffer overflow in the base64 decoder in MERCUR Mailserver 4.2 before SP3a allows remote attackers to cause a denial of service and…
High7.5EPSS 12.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Buffer overflow in the base64 decoder in MERCUR Mailserver 4.2 before SP3a allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long (1) AUTH command to the POP3 server or (2) AUTHENTICATE command to the IMAP server.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 12.9% · top 3.7% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (8)
- 8861 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 10038 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 8889 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 2688 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 20031024 Vulnerability in MERCUR Mail Server v4.2 SP3 and below (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- mercur-auth-command-dos(13468) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.atrium-software.com/mail%20server/pub/mcr42sp3a.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.securiteam.com/windowsntfocus/6U00N1P8KC.html (opens in a new tab)x_refsource_MISCx_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)
Record last updated .