CVE-2003-1566

Exp

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.

Published: 2009-01-15 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-1566 is rated High Exploit Risk (62.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 9.30%, 92th percentile). 4 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2003-1566

EDB-ID Source Kind Published Link
23490 exploit_db edb 2003-12-29 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-1566

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-28 14.69% 9.30% -5.39%
2 2025-12-27 9.30% 14.69% +5.39%
3 2025-10-28 — 9.30% —

Full EPSS history (24 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-1566

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2003-1566

Affected software / configurations for CVE-2003-1566

Vendor Product Version Raw CPE
microsoft internet_information_services 5.0 cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:*

References for CVE-2003-1566

cvelogic Threat Intelligence