CVE-2000-0993

NONECVSS 0.0Weaponized

0.0

Format string vulnerability in pw_error function in BSD libutil library allows local users to gain root privileges via a malformed password in commands such as chpass or passwd.

CVSS v3: —
EG Score: —
EPSS: 45.9%
KEV: Not listed

Published

December 19, 2000

Last Modified

April 16, 2026

References (12)

cve@mitreftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:58.chpass.asc
cve@mitreftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/advisories/NetBSD-SA2000-015.txt.asc
cve@mitrehttp://marc.info/?l=bugtraq&m=97068555106135&w=2
cve@mitrehttp://www.openbsd.org/errata27.html#pw_error
cve@mitrehttp://www.securityfocus.com/bid/1744
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/5339
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:58.chpass.asc
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/advisories/NetBSD-SA2000-015.txt.asc
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=97068555106135&w=2
af854a3a-2127-422b-91ae-364da2661108http://www.openbsd.org/errata27.html#pw_error
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/1744
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/5339

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-243✓ verified
First seen Jan 12, 2001
BSD chpass - 'pw_error(3)' Local Privilege Escalation
Open source ↗

Frequently asked(4)

What is CVE-2000-0993?

CVE-2000-0993 is a none vulnerability published on December 19, 2000. Format string vulnerability in pw_error function in BSD libutil library allows local users to gain root privileges via a malformed password in commands such as chpass or passwd.

When was CVE-2000-0993 disclosed?

CVE-2000-0993 was first published in the National Vulnerability Database on December 19, 2000, 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-2000-0993 actively exploited?

CVE-2000-0993 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2000-0993?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2000-0993, 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-2000-0993

📅 Published

🔄 Last Modified

🔗 References (12)