Is CVE-2009-3564 being actively exploited?

CVE-2009-3564 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-3564?

CVE-2009-3564 has a CVSS 2.0 base score of 4.7 (MEDIUM).

CVE-2009-3564

MEDIUM · CVSS 4.7EPSS 0.4%EU EUVD

puppetmasterd in puppet 0.24.6 does not reset supplementary groups when it switches to a different user, which might allow local users to access restricted files.

Key facts

CVSS score: 4.7 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:M/Au:N/C:C/I:N/A:N
Weakness (CWE): CWE-264
EPSS score: 0.4% (32th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-3545)
Published: October 6, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-3545 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

fedoraproject / fedora
reductivelabs / puppet

References

http://projects.reductivelabs.com/issues/1806(Patch, Vendor Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=475201(Exploit, Issue Tracking, Third Party Advisory)
https://puppet.com/security/cve/cve-2009-3564(Vendor Advisory)

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

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