CVE-2001-0021

Exp

MailMan Webmail 3.0.25 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the alternate_template parameter.

Published: 2001-02-16 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2001-0021 is rated High Exploit Risk (83.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 9.54%, 92th percentile). Core evidence: 2 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-2001-0021

EDB-ID Source Kind Published Link
20469 exploit_db edb 2000-12-06 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0021

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 2025-03-30 13.32% 9.54% -3.77%
2 2025-03-29 9.54% 13.32% +3.77%
3 2025-03-19 9.54%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0021

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2001-0021

Affected software / configurations for CVE-2001-0021

Vendor Product Version Raw CPE
endymion mailman_webmail 3.0 cpe:2.3:a:endymion:mailman_webmail:3.0:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.1 cpe:2.3:a:endymion:mailman_webmail:3.0.1:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.10 cpe:2.3:a:endymion:mailman_webmail:3.0.10:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.11 cpe:2.3:a:endymion:mailman_webmail:3.0.11:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.12 cpe:2.3:a:endymion:mailman_webmail:3.0.12:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.13 cpe:2.3:a:endymion:mailman_webmail:3.0.13:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.14 cpe:2.3:a:endymion:mailman_webmail:3.0.14:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.15 cpe:2.3:a:endymion:mailman_webmail:3.0.15:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.16 cpe:2.3:a:endymion:mailman_webmail:3.0.16:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.18 cpe:2.3:a:endymion:mailman_webmail:3.0.18:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.19 cpe:2.3:a:endymion:mailman_webmail:3.0.19:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.20 cpe:2.3:a:endymion:mailman_webmail:3.0.20:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.21 cpe:2.3:a:endymion:mailman_webmail:3.0.21:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.22 cpe:2.3:a:endymion:mailman_webmail:3.0.22:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.23 cpe:2.3:a:endymion:mailman_webmail:3.0.23:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.24 cpe:2.3:a:endymion:mailman_webmail:3.0.24:*:*:*:*:*:*:*
endymion mailman_webmail 3.0.25 cpe:2.3:a:endymion:mailman_webmail:3.0.25:*:*:*:*:*:*:*

References for CVE-2001-0021

cvelogic Threat Intelligence