CVE-2000-0389

NONECVSS 0.0Weaponized

0.0

Buffer overflow in krb_rd_req function in Kerberos 4 and 5 allows remote attackers to gain root privileges.

CVSS v3: —
EG Score: —
EPSS: 93.5%
KEV: Not listed

Published

May 16, 2000

Last Modified

April 16, 2026

References (10)

cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2000-05/0184.html
cve@mitrehttp://archives.neohapsis.com/archives/freebsd/2000-05/0295.html
cve@mitrehttp://www.cert.org/advisories/CA-2000-06.html
cve@mitrehttp://www.redhat.com/support/errata/RHSA-2000-025.html
cve@mitrehttp://www.securityfocus.com/bid/1220
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2000-05/0184.html
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/freebsd/2000-05/0295.html
af854a3a-2127-422b-91ae-364da2661108http://www.cert.org/advisories/CA-2000-06.html
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2000-025.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/1220

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
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(3 references)

Working exploit code is in the public domain (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-19925✓ verified
First seen May 26, 2000
Cygnus Network Security 4.0/KerbNet 5.0 / MIT Kerberos 4/5 / RedHat 6.2 - Compatibility 'krb_rd_req()' Local Buffer Overflow (2)
Open source ↗
Exploit-DBEDB-19924✓ verified
First seen May 16, 2000
Cygnus Network Security 4.0/KerbNet 5.0 / MIT Kerberos 4/5 / RedHat 6.2 - Compatibility 'krb_rd_req()' Remote Buffer Overflow (1)
Open source ↗
Exploit-DBEDB-19926✓ verified
First seen Apr 8, 2000
Cygnus Network Security 4.0/KerbNet 5.0 / MIT Kerberos 4/5 / RedHat 6.2 - Compatibility 'krb_rd_req()' Remote Buffer Overflow (3)
Open source ↗

Frequently asked(4)

What is CVE-2000-0389?

CVE-2000-0389 is a none vulnerability published on May 16, 2000. Buffer overflow in krbrdreq function in Kerberos 4 and 5 allows remote attackers to gain root privileges.

When was CVE-2000-0389 disclosed?

CVE-2000-0389 was first published in the National Vulnerability Database on May 16, 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-2000-0389 actively exploited?

CVE-2000-0389 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2000-0389?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2000-0389, 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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2000-0389

Explore →

Is Your Infrastructure Affected by CVE-2000-0389?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2000-0389

📅 Published

🔄 Last Modified

🔗 References (10)