Craig Morrison Mail Transport System Professional (aka MTS Pro) acts as an open relay…
Priority LOW 26Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- 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
Craig Morrison Mail Transport System Professional (aka MTS Pro) acts as an open relay when configured to relay all mail through an external SMTP server, which allows remote attackers to relay mail by connecting to the MTS Pro server, then sending a MAIL FROM that specifies a domain that is local to the server.
Why it matters now
EPSS 0.01697 77th 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:craig_morrison:mts_pro:*:*:*:*:*:*:*:* | all versions | Vulnerable | Craig Morrison |
- cpe:2.3:a:craig_morrison:mts_pro:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Craig Morrison
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-0977
- 2026-10-03 Alias added: GHSA-gx46-jj8m-4x8v
References
Other 1
Sources
- CVE-2006-0977 · CVE Program
- CVE-2006-0977 · NVD
- FIRST EPSS
- GHSA-gx46-jj8m-4x8v · GitHub Advisory Database · CC BY 4.0
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