Is CVE-2011-3387 being actively exploited?

CVE-2011-3387 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-3387?

CVE-2011-3387 has a CVSS 2.0 base score of 4.0 (MEDIUM).

CVE-2011-3387

MEDIUM · CVSS 4.0EPSS 1.8%EU EUVD

The class file parser in IBM Java 1.4.2 SR13 FP9 allows remote authenticated users to cause a denial of service (memory consumption or an infinite loop) via a crafted attribute length field in a class file, related to validation of a length field at the wrong time, a different vulnerability than CVE-2011-0311.

Key facts

CVSS score: 4.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:S/C:N/I:N/A:P
Weakness (CWE): CWE-20
EPSS score: 1.8% (78th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-3350)
Published: September 2, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-3350 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

ibm / java

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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