CVE-2001-0442

CVE-2001-0442 is a high-severity vulnerability in David Harris Mercury Nlm with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Buffer overflow in Mercury MTA POP3 server for NetWare 1.48 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long APOP command.

Frequently asked questions

What is CVE-2001-0442?
Buffer overflow in Mercury MTA POP3 server for NetWare 1.48 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long APOP command.
How severe is CVE-2001-0442?
CVE-2001-0442 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-0442 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0442?
CVE-2001-0442 primarily affects David Harris Mercury Nlm. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0442?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2001-0442 published?
CVE-2001-0442 was published on 2001-06-27 and last updated on 2026-06-16.

References

Affected products (3)