Vulnerability in Reductivelabs Puppet

CVE-2009-3564

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.

Published 2009-10-06 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 4.7 (Medium). Vector: AV:L/AC:M/Au:N/C:C/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.004 (29.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Reductivelabs Puppet — versions 0.24.6
Fedoraproject Fedora

Weakness classification (CWE)

CWE-264

References

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