CVE-2001-0021

NONECVSS 0.0Weaponized

0.0

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

CVSS v3: —
EG Score: —
EPSS: 93.0%
KEV: Not listed

Published

February 16, 2001

Last Modified

April 16, 2026

References (8)

cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2000-12/0057.html
cve@mitrehttp://www.endymion.com/products/mailman/history.htm
cve@mitrehttp://www.securityfocus.com/bid/2063
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/5649
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2000-12/0057.html
af854a3a-2127-422b-91ae-364da2661108http://www.endymion.com/products/mailman/history.htm
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/2063
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/5649

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-20469✓ verified
First seen Dec 6, 2000
Endymion MailMan 3.0.x - Arbitrary Command Execution
Open source ↗

Frequently asked(4)

What is CVE-2001-0021?

CVE-2001-0021 is a none vulnerability published on February 16, 2001. MailMan Webmail 3.0.25 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the alternate_template parameter.

When was CVE-2001-0021 disclosed?

CVE-2001-0021 was first published in the National Vulnerability Database on February 16, 2001, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2001-0021 actively exploited?

CVE-2001-0021 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2001-0021?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2001-0021, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2001-0021

📅 Published

🔄 Last Modified

🔗 References (8)