CVE-2006-0977

CVE-2006-0977 is a medium-severity vulnerability in Craig Morrison Mts Pro with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is CVE-2006-0977?
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.
How severe is CVE-2006-0977?
CVE-2006-0977 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-0977 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-0977?
CVE-2006-0977 affects Craig Morrison Mts Pro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-0977?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-0977 published?
CVE-2006-0977 was published on 2006-03-03 and last updated on 2026-06-16.

References

Affected products (1)