CVE-2003-1566

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 28%CVSS: —Exploit: NoneExposed: 0

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

Microsoft Internet Information Services (IIS) 5.0 does not log requests that use the TRACK method, which allows remote attackers to obtain sensitive information without detection.

CVSS v3
—
EG Score
0.0(none)
EPSS
97.9%
KEV
Not listed

Published

January 15, 2009

Last Modified

April 23, 2026

References (10)

Data Freshness Timeline

(refreshed 2× in last 7d / 23× 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. 2026-07-04 06:26 UTCEPSS rescore
  2. 2026-07-02 14:00 UTCEPSS rescore
  3. 2026-06-29 14:02 UTCEPSS rescore
  4. 2026-06-29 14:02 UTCEPSS rescore
  5. 2026-06-28 04:52 UTCEPSS rescore
  6. 2026-06-27 03:04 UTCEPSS rescore
  7. 2026-06-23 21:29 UTCEPSS rescore
  8. 2026-06-21 01:56 UTCEPSS rescore
  9. 2026-06-18 17:49 UTCEPSS rescore
  10. 2026-06-18 17:49 UTCEPSS rescore
  11. 2026-06-17 17:49 UTCEPSS rescore
  12. 2026-06-17 17:49 UTCEPSS rescore
  13. 2026-06-16 17:49 UTCEPSS rescore
  14. 2026-06-16 17:49 UTCEPSS rescore
  15. 2026-06-15 17:43 UTCEPSS rescore
  16. 2026-06-14 23:13 UTCEPSS rescore
  17. 2026-06-14 23:13 UTCEPSS rescore
  18. 2026-06-13 22:56 UTCEPSS rescore
  19. 2026-06-12 23:08 UTCEPSS rescore
  20. 2026-06-11 13:55 UTCEPSS rescore
  21. 2026-06-10 22:13 UTCEPSS rescore
  22. 2026-06-10 13:17 UTCEPSS rescore
  23. 2026-06-08 14:13 UTCEPSS rescore
  24. 2026-06-07 15:21 UTCEPSS rescore
  25. 2026-06-06 13:44 UTCEPSS rescore
Show 28 more
  1. 2026-06-06 13:44 UTCEPSS rescore
  2. 2026-06-06 13:44 UTCEPSS rescore
  3. 2026-06-05 22:43 UTCEPSS rescore
  4. 2026-06-05 22:43 UTCEPSS rescore
  5. 2026-06-05 06:07 UTCEPSS rescore
  6. 2026-06-04 13:09 UTCEPSS rescore
  7. 2026-06-02 20:10 UTCEPSS rescore
  8. 2026-05-31 22:28 UTCEPSS rescore
  9. 2026-05-31 00:13 UTCEPSS rescore
  10. 2026-05-31 00:13 UTCEPSS rescore
  11. 2026-05-30 18:45 UTCEG score recompute
  12. 2026-05-30 18:45 UTCGHSA enrichment
  13. 2026-05-29 13:40 UTCEPSS rescore
  14. 2026-05-29 13:40 UTCEPSS rescore
  15. 2026-05-28 13:42 UTCEPSS rescore
  16. 2026-05-28 13:42 UTCEPSS rescore
  17. 2026-05-28 13:42 UTCEPSS rescore
  18. 2026-05-27 13:37 UTCEPSS rescore
  19. 2026-05-26 13:41 UTCEPSS rescore
  20. 2026-05-26 13:41 UTCEPSS rescore
  21. 2026-05-26 07:16 UTCEPSS rescore
  22. 2026-05-26 07:16 UTCEPSS rescore
  23. 2026-05-24 16:42 UTCEPSS rescore
  24. 2026-05-20 22:36 UTCEPSS rescore
  25. 2026-05-20 11:20 UTCEPSS rescore
  26. 2026-05-20 11:20 UTCEPSS rescore
  27. 2026-05-18 21:29 UTCEPSS rescore
  28. 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-23490✓ verified
    First seen Dec 29, 2003

    Microsoft IIS 5.0 - Failure To Log Undocumented TRACK Requests

    Open source ↗

Frequently asked(4)

What is CVE-2003-1566?
CVE-2003-1566 is a none vulnerability published on January 15, 2009. Microsoft Internet Information Services (IIS) 5.0 does not log requests that use the TRACK method, which allows remote attackers to obtain sensitive information without detection.
When was CVE-2003-1566 disclosed?
CVE-2003-1566 was first published in the National Vulnerability Database on January 15, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2003-1566 actively exploited?
CVE-2003-1566 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2003-1566?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-1566, 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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