CVE-2000-0549

NONECVSS 0.0

0.0

Kerberos 4 KDC program does not properly check for null termination of AUTH_MSG_KDC_REQUEST requests, which allows remote attackers to cause a denial of service via a malformed request.

CVSS v3: —
EG Score: —
EPSS: 80.3%
KEV: Not listed

Published

June 9, 2000

Last Modified

April 16, 2026

References (10)

cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2000-06/0064.html
cve@mitrehttp://ciac.llnl.gov/ciac/bulletins/k-051.shtml
cve@mitrehttp://web.mit.edu/kerberos/www/advisories/krb4kdc.txt
cve@mitrehttp://www.cert.org/advisories/CA-2000-11.html
cve@mitrehttp://www.redhat.com/support/errata/RHSA-2000-031.html
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.html
af854a3a-2127-422b-91ae-364da2661108http://ciac.llnl.gov/ciac/bulletins/k-051.shtml
af854a3a-2127-422b-91ae-364da2661108http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt
af854a3a-2127-422b-91ae-364da2661108http://www.cert.org/advisories/CA-2000-11.html
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2000-031.html

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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2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2000-0549?

CVE-2000-0549 is a none vulnerability published on June 9, 2000. Kerberos 4 KDC program does not properly check for null termination of AUTHMSGKDC_REQUEST requests, which allows remote attackers to cause a denial of service via a malformed request.

When was CVE-2000-0549 disclosed?

CVE-2000-0549 was first published in the National Vulnerability Database on June 9, 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-2000-0549 actively exploited?

CVE-2000-0549 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 80.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2000-0549?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2000-0549, 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-2000-0549

📅 Published

🔄 Last Modified

🔗 References (10)