CVE-2000-0547

Name: CVE-2000-0547
Creator: NVD / NIST
Published: 2000-06-09T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.89%

Last modified Jun 16, 2026

CVE-2000-0547 is a vulnerability of currently unknown severity. Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the localrealm variable in the process_v4 function.. EPSS estimates a 2.89% chance of exploitation in the next 30 days.

Description

Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the localrealm variable in the process_v4 function.

Metrics

EPSS Probability

2.89%

85.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Cygnus Network Security Project	Cygnus Network Security	All versions
Kerbnet Project	Kerbnet	All versions
Mit	Kerberos	< 4.0
Mit	Kerberos	4.0
Mit	Kerberos 5	>= 1.0, <= 1.0.7
Mit	Kerberos 5	1.1
Mit	Kerberos 5	1.1.1

References

http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.htmlBroken Link
http://ciac.llnl.gov/ciac/bulletins/k-051.shtmlBroken Link
http://web.mit.edu/kerberos/www/advisories/krb4kdc.txtPatch, Vendor Advisory
http://www.cert.org/advisories/CA-2000-11.htmlThird Party Advisory, US Government Resource
http://www.securityfocus.com/bid/1338Third Party Advisory, VDB Entry
http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.htmlBroken Link
http://ciac.llnl.gov/ciac/bulletins/k-051.shtmlBroken Link
http://web.mit.edu/kerberos/www/advisories/krb4kdc.txtPatch, Vendor Advisory
http://www.cert.org/advisories/CA-2000-11.htmlThird Party Advisory, US Government Resource
http://www.securityfocus.com/bid/1338Third Party Advisory, VDB Entry

Timeline

Published: Jun 9, 2000
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2000-0547?

Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the localrealm variable in the process_v4 function.

How severe is CVE-2000-0547?

Severity scoring for CVE-2000-0547 is pending analysis. The EPSS model estimates a 2.89% probability of exploitation in the next 30 days.

How do I fix CVE-2000-0547?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2000-0547?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST