Clearswift MIMEsweeper 5.0.5, when it has been upgraded from MAILsweeper for SMTP version…
Priority LOW 22CWE-310Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Clearswift MIMEsweeper 5.0.5, when it has been upgraded from MAILsweeper for SMTP version 4.3 or MAILsweeper Business Suite I or II, allows remote attackers to bypass scanning by including encrypted data in a mail message, which causes the message to be marked as "Clean" instead of "Encrypted".
Why it matters now
EPSS 0.01117 66th 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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:clearswift:mailsweeper_business_suite_i:*:*:*:*:*:*:*:* | all versions | Vulnerable | Clearswift |
| cpe:2.3:a:clearswift:mailsweeper_business_suite_ii:*:*:*:*:*:*:*:* | all versions | Vulnerable | Clearswift |
| cpe:2.3:a:clearswift:mailsweeper_for_smtp:4.3:*:*:*:*:*:*:* | 4.3 | Vulnerable | Clearswift |
| cpe:2.3:a:clearswift:mimesweeper_for_web:5.0.5:*:*:*:*:*:*:* | 5.0.5 | Vulnerable | Clearswift |
- cpe:2.3:a:clearswift:mailsweeper_business_suite_i:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Clearswift
- cpe:2.3:a:clearswift:mailsweeper_business_suite_ii:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Clearswift
- cpe:2.3:a:clearswift:mailsweeper_for_smtp:4.3:*:*:*:*:*:*:* Versions 4.3 Vulnerable ·Clearswift
- cpe:2.3:a:clearswift:mimesweeper_for_web:5.0.5:*:*:*:*:*:*:* Versions 5.0.5 Vulnerable ·Clearswift
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-2703
- 2026-10-03 Alias added: GHSA-2jm4-cm7h-hghg
References
Sources
- CVE-2004-2703 · CVE Program
- CVE-2004-2703 · NVD
- FIRST EPSS
- GHSA-2jm4-cm7h-hghg · 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