CVE-2000-0549
Kerberos 4 KDC program does not properly check for null termination of AUTH_MSG_KDC_REQUEST...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2000-0549- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2000-0549- Updated
- 2026-11-02
EUVDEUVD-2000-0546 No score
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.
- Record
EUVD-2000-0546- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5pwv-v67v-mf36 No score
Kerberos 4 KDC program does not properly check for null termination of AUTH_MSG_KDC_REQUEST...
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.
- Record
GHSA-5pwv-v67v-mf36- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2000-0549 is a medium vulnerability (CVSS 5.0) in Mit Kerberos, published June 9, 2000. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.28%, the 83rd percentile. No source names a fixed version.
References
cert.org/advisories/CA-2000-11.html
ciac.llnl.gov/ciac/bulletins/k-051.shtml
archives.neohapsis.com/archives/bugtraq/2000-06/0064.html
web.mit.edu/kerberos/www/advisories/krb4kdc.txt
redhat.com/support/errata/RHSA-2000-031.html
nvd.nist.gov/vuln/detail/CVE-2000-0549
github.com/advisories/GHSA-5pwv-v67v-mf36