CVE-2000-0042

CVE-2000-0042 is a critical-severity vulnerability in Csm Mail Server with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Buffer overflow in CSM mail server allows remote attackers to cause a denial of service or execute commands via a long HELO command.

Frequently asked questions

What is CVE-2000-0042?
Buffer overflow in CSM mail server allows remote attackers to cause a denial of service or execute commands via a long HELO command.
How severe is CVE-2000-0042?
CVE-2000-0042 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2000-0042 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0042?
CVE-2000-0042 primarily affects Csm Mail Server. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0042?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2000-0042 published?
CVE-2000-0042 was published on 1999-12-29 and last updated on 2026-06-16.

References

Affected products (8)