CVE-2009-2690

The encoder in Sun Java SE 6 before Update 15, and OpenJDK, grants read access to private variables with unspecified names, which allows context-dependent attackers to obtain sensitive information via an untrusted (1) applet or (2) application.

Published: 2009-08-10 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-2690 is rated Moderate Risk (47.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.58%). 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-2009-2690

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 4.37% 2.58% -1.79%
2 2025-03-30 14.13% 4.37% -9.76%
3 2025-03-29 14.13%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-2690

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

Weakness enumeration for CVE-2009-2690

OS Trackers for CVE-2009-2690

vendor priority summary link
gentoo normal CVE-2009-2690: 1 GLSA(s) (200911-02), 5 atom(s) (app-emulation/emul-linux-x86-java, dev-java/blackdown-jdk, dev-java/blackdown-jre, dev-java/sun-jdk, dev-java/sun-jre-bin); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-2690
redhat low https://access.redhat.com/security/cve/CVE-2009-2690
ubuntu medium CVE-2009-2690 medium priority: Ubuntu including 3 source packages (openjdk-6, sun-java5, sun-java6), 27 status rows across 9 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, upstream): released 9, DNE 6, not-affected 6, ignored 5, needs-triage 1. https://ubuntu.com/security/CVE-2009-2690

Affected software / configurations for CVE-2009-2690

Vendor Product Version Raw CPE
sun java_se <= 6 cpe:2.3:a:sun:java_se:*:14:*:*:*:*:*:*
sun openjdk cpe:2.3:a:sun:openjdk:*:*:*:*:*:*:*:*

References for CVE-2009-2690

URL Tags
http://java.sun.com/javase/6/webnotes/6u15.html Vendor Advisory
http://lists.apple.com/archives/security-announce/2009/Sep/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html
http://secunia.com/advisories/36162 Vendor Advisory
http://secunia.com/advisories/36176 Vendor Advisory
http://secunia.com/advisories/36180 Vendor Advisory
http://secunia.com/advisories/37386
http://security.gentoo.org/glsa/glsa-200911-02.xml
http://sunsolve.sun.com/search/document.do?assetkey=1-21-125139-16-1 Patch
http://www.mandriva.com/security/advisories?name=MDVSA-2009:209
http://www.vupen.com/english/advisories/2009/2543
https://bugzilla.redhat.com/show_bug.cgi?id=513223
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9443
https://rhn.redhat.com/errata/RHSA-2009-1200.html
https://rhn.redhat.com/errata/RHSA-2009-1201.html
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00310.html
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00325.html
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