CVE-2000-0549
UnknownEPSS 2.28%
Last modified
CVE-2000-0549 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.28% chance of exploitation in the next 30 days.
Description
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.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cygnus | Cygnus Network Security | 4.0 |
| Cygnus | Kerbnet | 5.0 |
| Mit | Kerberos | 4.0 |
| Mit | Kerberos 5 | 1.0 |
| Mit | Kerberos 5 | 1.1 |
| Mit | Kerberos 5 | 1.1.1 |
References
- http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.htmlExploit, Patch, Vendor Advisory
- http://www.cert.org/advisories/CA-2000-11.htmlPatch, Third Party Advisory, US Government Resource
- http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.htmlExploit, Patch, Vendor Advisory
- http://www.cert.org/advisories/CA-2000-11.htmlPatch, Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2000-0549?
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.
How severe is CVE-2000-0549?
Severity scoring for CVE-2000-0549 is pending analysis. The EPSS model estimates a 2.28% probability of exploitation in the next 30 days.
How do I fix CVE-2000-0549?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2000-0549?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST