SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2003-1521

Sun Java Plug-In 1.4 through 1.4.2_02 allows remote attackers to repeatedly access the floppy drive via the createXmlDocument method in the org.apache.crimson.tree.XmlDocument class, which violates the Java security model.

EXPLOIT ✓MEDIUM 6.4EPSS 5.84%

Does this matter?

A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 5.8%. Treat it as high on anything reachable from the internet.

Description

Sun Java Plug-In 1.4 through 1.4.2_02 allows remote attackers to repeatedly access the floppy drive via the createXmlDocument method in the org.apache.crimson.tree.XmlDocument class, which violates the Java security model.

CVSS 2.0
6.4 MEDIUMAV:N/AC:L/Au:N/C:P/I:P/A:N
EPSS
5.84% probability · 93th percentile
Public exploits
1 in Exploit-DB · verified · first 21 October 2003
CISA KEV
Not listed
Affected
sun/java plug-in
Source
cve@mitre.org
EPSS trend
0%5%10%26 October 2026: 5.84%26 October 202626 October 2026

EPSS 5.8% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-23270source ↗Sun Java Plugin 1.4 - Unauthorized Java Applet Floppy Accesswindows · Marc Schoenefeldremote21 October 2003yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.