CVE-2002-0566

PL/SQL module 3.0.9.8.2 in Oracle 9i Application Server 1.0.2.x allows remote attackers to cause a denial of service (crash) via an HTTP Authorization header without an authentication type.

Published: 2002-07-03 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2002-0566 is rated Moderate Risk (51.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.57%). Mandatory action: Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2002-0566

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 2026-06-15 2.58% 3.57% +0.99%
2 2026-02-03 1.55% 2.58% +1.03%
3 2025-03-30 1.55%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-0566

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:N/A:P 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:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2002-0566

Affected software / configurations for CVE-2002-0566

Vendor Product Version Raw CPE
oracle application_server 1.0.2 cpe:2.3:a:oracle:application_server:1.0.2:*:*:*:*:*:*:*
oracle application_server_web_cache 2.0.0.0 cpe:2.3:a:oracle:application_server_web_cache:2.0.0.0:*:*:*:*:*:*:*
oracle application_server_web_cache 2.0.0.1 cpe:2.3:a:oracle:application_server_web_cache:2.0.0.1:*:*:*:*:*:*:*
oracle application_server_web_cache 2.0.0.2 cpe:2.3:a:oracle:application_server_web_cache:2.0.0.2:*:*:*:*:*:*:*
oracle application_server_web_cache 2.0.0.3 cpe:2.3:a:oracle:application_server_web_cache:2.0.0.3:*:*:*:*:*:*:*
oracle oracle8i 8.1.7 cpe:2.3:a:oracle:oracle8i:8.1.7:*:*:*:*:*:*:*
oracle oracle8i 8.1.7_.1 cpe:2.3:a:oracle:oracle8i:8.1.7_.1:*:*:*:*:*:*:*
oracle oracle9i 9.0 cpe:2.3:a:oracle:oracle9i:9.0:*:*:*:*:*:*:*
oracle oracle9i 9.0.1 cpe:2.3:a:oracle:oracle9i:9.0.1:*:*:*:*:*:*:*

References for CVE-2002-0566

cvelogic Threat Intelligence