CVE-2001-0442

Exp

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.

Published: 2001-06-27 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2001-0442 is rated High Exploit Risk (74.7/100): CVSS High severity, with high exploitation likelihood (EPSS 7.24%, 91th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2001-0442

EDB-ID Source Kind Published Link
20792 exploit_db edb 2001-04-21 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0442

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-09-29 9.47% 7.24% -2.23%
2 2025-07-18 5.91% 9.47% +3.56%
3 2025-03-30 5.91%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0442

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2001-0442

Affected software / configurations for CVE-2001-0442

Vendor Product Version Raw CPE
david_harris mercury_nlm 1.45 cpe:2.3:a:david_harris:mercury_nlm:1.45:*:*:*:*:*:*:*
david_harris mercury_nlm 1.46 cpe:2.3:a:david_harris:mercury_nlm:1.46:*:*:*:*:*:*:*
david_harris mercury_nlm 1.47 cpe:2.3:a:david_harris:mercury_nlm:1.47:*:*:*:*:*:*:*

References for CVE-2001-0442

cvelogic Threat Intelligence