Microsoft SQL Server 7, 2000, and MSDE allows local or remote authenticated users to cause a denial of service (crash or hang) via a long request to a named pipe.
CVE-2003-0231
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 98.3%
- KEV
- Not listed
Published
August 27, 2003
Last Modified
June 16, 2026
References (8)
- cve@mitrehttp://www.atstake.com/research/advisories/2003/a072303-2.txt
- cve@mitrehttp://www.kb.cert.org/vuls/id/918652
- cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-031
- cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A299
- af854a3a-2127-422b-91ae-364da2661108http://www.atstake.com/research/advisories/2003/a072303-2.txt
- af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/918652
- af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-031
- af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A299
Data Freshness Timeline
(refreshed 3× in last 7d / 20× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 06:07 UTCEPSS rescore
- 2026-07-11 08:22 UTCEPSS rescore
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- 2026-06-07 15:21 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 17:18 UTCEG score recompute
- 2026-05-31 17:18 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
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- 2026-05-29 13:40 UTCEPSS rescore
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- 2026-05-27 13:37 UTCEPSS rescore
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- 2026-05-26 07:16 UTCEPSS rescore
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- 2026-05-24 16:42 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
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- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-22957✓ verifiedFirst seen Jul 23, 2003
Microsoft SQL Server 7.0/2000 / MSDE - Named Pipe Denial of Service (MS03-031)
Open source ↗
Frequently asked(4)
What is CVE-2003-0231?
When was CVE-2003-0231 disclosed?
Is CVE-2003-0231 actively exploited?
How do I remediate CVE-2003-0231?
Dependency Blast Radius
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