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Fencer Intel
high 7.5

CVE-2013-3567 json

Puppet Improper Input Validation vulnerability

published 2013-08-19 13 y ago modified 2026-06-16 4 mo ago also GHSA-f7p5-w2cr-7cp7 , EUVD-2017-0224

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.4%
EPSS 3.4% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

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.

Patch / fix

  • rubygems puppet 2.7.22, 3.2.2
  • puppet Debian 11 3.2.2-1

debian advisories DEBIAN-CVE-2013-3567

  • ruby193-puppet openstack 3 3.1.1-11.1.el6ost
  • ruby193-puppet-server openstack 3 3.1.1-11.1.el6ost
  • puppet openstack 3 3.2.4-1.el6_4
  • hiera openstack 3 1.0.0-3.el6_4
  • facter openstack 3 1.6.6-1.el6_4
  • ruby-augeas openstack 3 0.4.1-1.el6_4
  • ruby-shadow openstack 3 1.4.1-13.el6_4
  • puppet-server openstack 3 3.2.4-1.el6_4

red hat advisories RHSA-2013:1284RHSA-2013:1283

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-3567 updated cvss 7.5

puppet: remote code execution on master from unauthenticated clients

  • Red Hat OpenStack Platform 4 puppet Red Hat Subscription Asset Manager puppet
    affected: no fix available
  • Red Hat Enterprise MRG 1 puppet
    under investigation
  • Red Hat Enterprise Linux OpenStack Platform 3.0 hiera 1.0.0-3.el6_4, facter 1.6.6-1.el6_4, puppet 3.2.4-1.el6_4, ruby-augeas 0.4.1-1.el6_4, ruby-shadow 1.4.1-13.el6_4, puppet-server 3.2.4-1.el6_4, +2 more
    fixed: vendor fix RHSA-2013:1283

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.41% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected packages

ecosystem package affected fixed in
rubygems puppet
>=2.7.0, <2.7.22
>=3.2.0, <3.2.2
2.7.22
3.2.2

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.