MAILsweeper for SMTP 4.3.6 and 4.3.7 allows remote attackers to cause a denial of service…
Priority LOW 37CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
MAILsweeper for SMTP 4.3.6 and 4.3.7 allows remote attackers to cause a denial of service (CPU consumption) via a PowerPoint attachment that either (1) is corrupt or (2) contains "embedded objects."
Why it matters now
EPSS 0.01602 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:all_windows:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:a:clearswift:mailsweeper_for_smtp:4.3.6:*:*:*:*:*:*:* | 4.3.6 | Vulnerable | Clearswift |
| cpe:2.3:a:clearswift:mailsweeper_for_smtp:4.3.7:*:*:*:*:*:*:* | 4.3.7 | Vulnerable | Clearswift |
- cpe:2.3:o:microsoft:all_windows:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:a:clearswift:mailsweeper_for_smtp:4.3.6:*:*:*:*:*:*:* Versions 4.3.6 Vulnerable ·Clearswift
- cpe:2.3:a:clearswift:mailsweeper_for_smtp:4.3.7:*:*:*:*:*:*:* Versions 4.3.7 Vulnerable ·Clearswift
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2003-1477
- 2026-10-03 Alias added: GHSA-xmm8-h598-mcmx
References
More Clearswift Mailsweeper For Smtp vulnerabilities
- TI-2006-03115 Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20… CVSS 2.0HIGH 7.5
- TI-2006-03116 Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20… CVSS 2.0MEDIUM 5.0
- TI-2000-00922 MAILsweeper for SMTP 3.x does not properly handle corrupt CDA documents in a ZIP file and… CVSS 2.0MEDIUM 5.0
- TI-2004-02573 Clearswift MIMEsweeper 5.0.5, when it has been upgraded from MAILsweeper for SMTP version… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2003-1477 · CVE Program
- CVE-2003-1477 · NVD
- FIRST EPSS
- GHSA-xmm8-h598-mcmx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences