CVE-2002-0559

Buffer overflows in PL/SQL module 3.0.9.8.2 in Oracle 9i Application Server 1.0.2.x allow remote attackers to cause a denial of service or execute arbitrary code via (1) a long help page request without a dadname, which overflows the resulting HTTP Location header, (2) a long HTTP request to the plsql module, (3) a long password in the HTTP Authorization, (4) a long Access Descriptor (DAD) password in the addadd form, or (5) a long cache directory name.

Published: 2002-07-03 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-0559 is rated Moderate Risk (58.5/100): CVSS High severity, with high exploitation likelihood (EPSS 13.14%, 96th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize 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-2002-0559

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 38.71% 13.14% -25.57%
2 2026-01-30 26.41% 38.71% +12.30%
3 2025-03-30 — 26.41% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-0559

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2002-0559

Affected software / configurations for CVE-2002-0559

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-2002-0559

URL Tags
http://online.securityfocus.com/archive/1/254426 Patch Vendor Advisory
http://otn.oracle.com/deploy/security/pdf/ias_modplsql_alert.pdf
http://www.cert.org/advisories/CA-2002-08.html Patch Third Party Advisory US Government Resource
http://www.kb.cert.org/vuls/id/313280 US Government Resource
http://www.kb.cert.org/vuls/id/659043 US Government Resource
http://www.kb.cert.org/vuls/id/750299 US Government Resource
http://www.kb.cert.org/vuls/id/878603 US Government Resource
http://www.kb.cert.org/vuls/id/923395 US Government Resource
http://www.nextgenss.com/papers/hpoas.pdf
http://www.securityfocus.com/bid/4032 Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/8095
https://exchange.xforce.ibmcloud.com/vulnerabilities/8096
https://exchange.xforce.ibmcloud.com/vulnerabilities/8097
https://exchange.xforce.ibmcloud.com/vulnerabilities/8098
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