CVE-2003-0822

NONECVSS 0.09.0▲
EchelonGraph scoreLOW confidence

Score elevated to 9.0 because EPSS predicts 89% probability of exploitation within the next 30 days (top 0.5% of all CVEs). Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss
Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 83%
CISA-KEV: Not listedEPSS: 83%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Buffer overflow in the debug functionality in fp30reg.dll of Microsoft FrontPage Server Extensions (FPSE) 2000 and 2002 allows remote attackers to execute arbitrary code via a crafted chunked encoded request.

CVSS v3
—
EG Score
9.0(low)
EPSS
99.6%
KEV
Not listed

Published

December 15, 2003

Last Modified

June 16, 2026

References (22)

Data Freshness Timeline

(refreshed 3× in last 7d / 12× 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.

  1. 2026-07-13 06:07 UTCEPSS rescore
  2. 2026-07-11 08:22 UTCEPSS rescore
  3. 2026-07-11 08:22 UTCEPSS rescore
  4. 2026-07-04 06:26 UTCEPSS rescore
  5. 2026-06-29 14:02 UTCEPSS rescore
  6. 2026-06-29 14:02 UTCEPSS rescore
  7. 2026-06-28 04:52 UTCEPSS rescore
  8. 2026-06-23 21:29 UTCEPSS rescore
  9. 2026-06-21 01:56 UTCEPSS rescore
  10. 2026-06-17 17:49 UTCEPSS rescore
  11. 2026-06-17 17:49 UTCEPSS rescore
  12. 2026-06-15 17:43 UTCEPSS rescore
  13. 2026-06-13 22:56 UTCEPSS rescore
  14. 2026-06-11 13:55 UTCEPSS rescore
  15. 2026-06-10 22:13 UTCEPSS rescore
  16. 2026-06-10 13:17 UTCEPSS rescore
  17. 2026-06-05 22:43 UTCEPSS rescore
  18. 2026-06-05 22:43 UTCEPSS rescore
  19. 2026-06-05 06:07 UTCEPSS rescore
  20. 2026-06-04 13:09 UTCEPSS rescore
  21. 2026-06-01 13:49 UTCEPSS rescore
  22. 2026-06-01 13:49 UTCEPSS rescore
  23. 2026-05-31 17:03 UTCEG score recompute
  24. 2026-05-31 17:03 UTCGHSA enrichment
  25. 2026-05-31 00:13 UTCEPSS rescore
Show 11 more
  1. 2026-05-31 00:13 UTCEPSS rescore
  2. 2026-05-28 13:42 UTCEPSS rescore
  3. 2026-05-28 13:42 UTCEPSS rescore
  4. 2026-05-28 13:42 UTCEPSS rescore
  5. 2026-05-24 16:42 UTCEPSS rescore
  6. 2026-05-22 21:15 UTCEPSS rescore
  7. 2026-05-20 22:36 UTCEPSS rescore
  8. 2026-05-20 11:20 UTCEPSS rescore
  9. 2026-05-20 11:20 UTCEPSS rescore
  10. 2026-05-18 21:29 UTCEPSS rescore
  11. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-16356✓ verified
    First seen Jul 25, 2010

    Microsoft IIS - ISAPI FrontPage 'fp30reg.dll' Chunked Overflow (MS03-051) (Metasploit)

    Open source ↗
  • Exploit-DBEDB-121✓ verified
    First seen Nov 13, 2003

    Microsoft FrontPage Server Extensions - 'fp30reg.dll' (MS03-051)

    Open source ↗
  • Metasploitexploit/windows/isapi/ms03_051_fp30reg_chunked✓ verified
    First seen Nov 11, 2003

    MS03-051 Microsoft IIS ISAPI FrontPage fp30reg.dll Chunked Overflow

    Open source ↗

Frequently asked(4)

What is CVE-2003-0822?
CVE-2003-0822 is a none vulnerability published on December 15, 2003. Buffer overflow in the debug functionality in fp30reg.dll of Microsoft FrontPage Server Extensions (FPSE) 2000 and 2002 allows remote attackers to execute arbitrary code via a crafted chunked encoded request.
When was CVE-2003-0822 disclosed?
CVE-2003-0822 was first published in the National Vulnerability Database on December 15, 2003, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2003-0822 actively exploited?
CVE-2003-0822 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2003-0822?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0822, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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