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Vulnerability record · CVE-2013-3567 · published 19 August 2013

CVE-2013-3567: Puppet improper input validation vulnerability

Puppet · Puppet

Puppet 2.7.x before 2.7.22 and 3.2.x before 3.2.2, and Puppet Enterprise before 2.8.2, deserializes untrusted YAML, which allows remote attackers to instantiate arbitrary Ruby classes and execute arbitrary code via a crafted REST API call.

7.5 CVSS 2.0 High EPSS 3.4% · top 11.6% CWE-20 · Improper input validation
7.5CVSS 2.0 base score
3.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

Puppet 2.7.x before 2.7.22 and 3.2.x before 3.2.2, and Puppet Enterprise before 2.8.2, deserializes untrusted YAML, which allows remote attackers to instantiate arbitrary Ruby classes and execute arbitrary code via a crafted REST API call.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00019.html
http://rhn.redhat.com/errata/RHSA-2013-1283.html
http://rhn.redhat.com/errata/RHSA-2013-1284.html
http://secunia.com/advisories/54429 Vendor Advisory
http://www.debian.org/security/2013/dsa-2715
http://www.ubuntu.com/usn/USN-1886-1
https://puppetlabs.com/security/cve/cve-2013-3567/ Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00019.html
http://rhn.redhat.com/errata/RHSA-2013-1283.html
http://rhn.redhat.com/errata/RHSA-2013-1284.html
http://secunia.com/advisories/54429 Vendor Advisory
http://www.debian.org/security/2013/dsa-2715
http://www.ubuntu.com/usn/USN-1886-1
https://puppetlabs.com/security/cve/cve-2013-3567/ Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2013-3567), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.