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Vulnerability record · CVE-2003-1229 · published 31 December 2003

CVE-2003-1229: Oracle jre improper certificate validation vulnerability

Oracle · Jre

X509TrustManager in (1) Java Secure Socket Extension (JSSE) in SDK and JRE 1.4.0 through 1.4.0_01, (2) JSSE before 1.0.3, (3) Java Plug-in SDK and JRE 1.3.0 through 1.4.1, and (4) Java Web Start 1.0 through 1.2 incorrectly calls the isClientTrusted method when determining server trust, which results in improper validation of digital certificate and allows remote attackers to (1) falsely authenticate peers for SSL or (2) incorrectly validate signed JAR files.

7.5 CVSS 2.0 High EPSS 4.6% · top 8.6% CWE-295 · Improper certificate validation
7.5CVSS 2.0 base score
4.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
22References
16 Jun 2026Last modified by NVD

Description

X509TrustManager in (1) Java Secure Socket Extension (JSSE) in SDK and JRE 1.4.0 through 1.4.0_01, (2) JSSE before 1.0.3, (3) Java Plug-in SDK and JRE 1.3.0 through 1.4.1, and (4) Java Web Start 1.0 through 1.2 incorrectly calls the isClientTrusted method when determining server trust, which results in improper validation of digital certificate and allows remote attackers to (1) falsely authenticate peers for SSL or (2) incorrectly validate signed JAR files.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/bugtraq/2003-01/0334.html Broken Link
http://java.sun.com/products/jsse/CHANGES.txt Broken LinkVendor Advisory
http://secunia.com/advisories/7943 Broken LinkPatchVendor Advisory
http://securitytracker.com/id?1006007 Broken LinkThird Party AdvisoryVDB Entry
http://securitytracker.com/id?1007483 Broken LinkThird Party AdvisoryVDB Entry
http://sunsolve.sun.com/search/document.do?assetkey=1-26-50081-1 Broken LinkPatchVendor Advisory
http://www.securityfocus.com/bid/6682 Broken LinkPatchThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1006001 Broken LinkThird Party AdvisoryVDB Entry
http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0301-239 Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/11182 Third Party AdvisoryVDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5883 Broken Link
http://archives.neohapsis.com/archives/bugtraq/2003-01/0334.html Broken Link
http://java.sun.com/products/jsse/CHANGES.txt Broken LinkVendor Advisory
http://secunia.com/advisories/7943 Broken LinkPatchVendor Advisory
http://securitytracker.com/id?1006007 Broken LinkThird Party AdvisoryVDB Entry
http://securitytracker.com/id?1007483 Broken LinkThird Party AdvisoryVDB Entry
http://sunsolve.sun.com/search/document.do?assetkey=1-26-50081-1 Broken LinkPatchVendor Advisory
http://www.securityfocus.com/bid/6682 Broken LinkPatchThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1006001 Broken LinkThird Party AdvisoryVDB Entry
http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0301-239 Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/11182 Third Party AdvisoryVDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5883 Broken Link

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Source: NIST National Vulnerability Database (record CVE-2003-1229), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.