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Vulnerability record · CVE-2003-1123 · published 31 December 2003

CVE-2003-1123: Sun jdk vulnerability

Sun · Jdk

Sun Java Runtime Environment (JRE) and SDK 1.4.0_01 and earlier allows untrusted applets to access certain information within trusted applets, which allows attackers to bypass the restrictions of the Java security model.

7.5 CVSS 2.0 High EPSS 11% · top 4.2%
7.5CVSS 2.0 base score
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
12References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Sun Java Runtime Environment (JRE) and SDK 1.4.0_01 and earlier allows untrusted applets to access certain information within trusted applets, which allows attackers to bypass the restrictions of the Java security model.

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

Affected products

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

References

LinkTags
http://secunia.com/advisories/8958
http://securitytracker.com/id?1006935
http://sunsolve.sun.com/search/document.do?assetkey=1-26-55100-1 PatchVendor Advisory
http://www.kb.cert.org/vuls/id/393292 PatchThird Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/7824 ExploitPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/12189
http://secunia.com/advisories/8958
http://securitytracker.com/id?1006935
http://sunsolve.sun.com/search/document.do?assetkey=1-26-55100-1 PatchVendor Advisory
http://www.kb.cert.org/vuls/id/393292 PatchThird Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/7824 ExploitPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/12189

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2003-1123), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.