Is CVE-2011-4321 being actively exploited?

CVE-2011-4321 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-4321?

CVE-2011-4321 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2011-4321

MEDIUM · CVSS 5.0EPSS 0.9%EU EUVD

The password reset functionality in Joomla! 1.5.x through 1.5.24 uses weak random numbers, which makes it easier for remote attackers to change the passwords of arbitrary users via unspecified vectors.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-310
EPSS score: 0.9% (61th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4253)
Published: November 23, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4253 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

joomla / joomla!
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joomla / joomla!

References

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

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