CVE-2003-1123: n/a vulnerability

CVE-2003-1123: Sun Java Runtime Environment (JRE) and SDK 1.4.0_01 and earlier allows untrusted applets to access certain...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 02:19 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old Sun Java issue where an untrusted Java applet could read certain information from a trusted applet, weakening Java's sandbox boundary. Business urgency depends on whether any legacy systems still run Sun JRE or SDK 1.4.0_01 or earlier and allow applets. Exposure is likely limited to legacy desktops, kiosks, or applications that still use affected Sun Java versions and execute Java applets. Modern environments that removed browser applet support or no longer run these Java releases are less likely to be exposed. Treat this as a legacy technology exposure issue. It is not KEV-listed in the provided data, but affected Java applet environments weaken a core sandbox control and should be removed or remediated during legacy platform risk reduction. Mitigation focus: Inventory systems running Sun JRE or SDK 1.4.0_01 and earlier.; Check the Sun advisory and CERT note for vendor-supported remediation guidance.; Remove or replace legacy Java applet dependencies where operationally feasible..

Prepared: Jun 29, 2026, 23:27 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2003-1123 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Mar 12, 2005, 05:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
sun-applet-access-information(12189)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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