CVE-2001-0509
UnknownEPSS 16.98%
Last modified
CVE-2001-0509 is a vulnerability of currently unknown severity. Vulnerabilities in RPC servers in (1) Microsoft Exchange Server 2000 and earlier, (2) Microsoft SQL Server 2000 and earlier, (3) Windows NT 4.0, and (4) Windows 2000 allow remote attackers to cause a denial of service via malformed inputs.. EPSS estimates a 16.98% chance of exploitation in the next 30 days.
Description
Vulnerabilities in RPC servers in (1) Microsoft Exchange Server 2000 and earlier, (2) Microsoft SQL Server 2000 and earlier, (3) Windows NT 4.0, and (4) Windows 2000 allow remote attackers to cause a denial of service via malformed inputs.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Exchange Server | 5.0 |
| Microsoft | Exchange Server | 5.5 |
| Microsoft | Exchange Server | 2000 |
| Microsoft | Sql Server | 7.0 |
| Microsoft | Sql Server | 2000 |
| Microsoft | Windows Nt | 4.0 |
| Microsoft | Windows 2000 | All versions |
References
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-041Patch, Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-041Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2001-0509?
Vulnerabilities in RPC servers in (1) Microsoft Exchange Server 2000 and earlier, (2) Microsoft SQL Server 2000 and earlier, (3) Windows NT 4.0, and (4) Windows 2000 allow remote attackers to cause a denial of service via malformed inputs.
How severe is CVE-2001-0509?
Severity scoring for CVE-2001-0509 is pending analysis. The EPSS model estimates a 16.98% probability of exploitation in the next 30 days.
How do I fix CVE-2001-0509?
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.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2001-0509?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST