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CVE-2021-27025

Silent Configuration Failure in Puppet Agent

6.5 MediumFix available

A flaw was discovered in Puppet Agent where the agent may silently ignore Augeas settings or may be vulnerable to a Denial of Service condition prior to the first 'pluginsync'.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.11%Up 0.6 points since Nov 19, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

A flaw was discovered in Puppet Agent where the agent may silently ignore Augeas settings or may be vulnerable to a Denial of Service condition prior to the first 'pluginsync'.

Record
CVE-2021-27025
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

A flaw was discovered in Puppet Agent where the agent may silently ignore Augeas settings or may be vulnerable to a Denial of Service condition prior to the first 'pluginsync'.

Record
CVE-2021-27025
Updated
2026-11-02
EUVDEUVD-2021-2564 No score

A flaw was discovered in Puppet Agent where the agent may silently ignore Augeas settings or may be vulnerable to a Denial of Service condition prior to the first 'pluginsync'.

Record
EUVD-2021-2564
Updated
2026-11-03
GitHub AdvisoriesGHSA-q4g7-jrxv-67r9 6.5

Silent Configuration Failure in Puppet Agent

A flaw was discovered in Puppet Agent where the agent may silently ignore Augeas settings or may be vulnerable to a Denial of Service condition prior to the first 'pluginsync'.

Record
GHSA-q4g7-jrxv-67r9
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 6.5

A flaw was discovered in Puppet Agent where the agent may silently ignore Augeas settings or may be vulnerable to a Denial of Service condition prior to the first 'pluginsync'.

Record
CVE-2021-27025
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2021-27025 6.5

A flaw was discovered in Puppet Agent where the agent may silently ignore Augeas settings or may be vulnerable to a Denial of Service condition prior to the first 'pluginsync'.

Record
DEBIAN-CVE-2021-27025
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 7 moreShow less
OSVGHSA-q4g7-jrxv-67r9 6.5

Silent Configuration Failure in Puppet Agent

A flaw was discovered in Puppet Agent where the agent may silently ignore Augeas settings or may be vulnerable to a Denial of Service condition prior to the first 'pluginsync'.

Record
GHSA-q4g7-jrxv-67r9
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2022:1708 9.8

Red Hat Security Advisory: Satellite 6.10.5 Async Bug Fix Update

Record
RHSA-2022:1708
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2022:4866 9.8

Red Hat Security Advisory: Satellite Tools 6.10.5 Async Bug Fix Update

Record
RHSA-2022:4866
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2022:4867 9.8

Red Hat Security Advisory: Satellite Tools 6.9.9 Async Bug Fix Update

Record
RHSA-2022:4867
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2022:8846 6.3

Red Hat Security Advisory: Red Hat OpenStack Platform 16.2.4 (puppet) security update

Record
RHSA-2022:8846
CVSS 3.1
6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVRHSA-2022:8862 6.3

Red Hat Security Advisory: Red Hat OpenStack Platform 16.1.9 (puppet) security update

Record
RHSA-2022:8862
CVSS 3.1
6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2021-27025 6.5

A flaw was discovered in Puppet Agent where the agent may silently ignore Augeas settings or may be vulnerable to a Denial of Service condition prior to the first 'pluginsync'.

Record
UBUNTU-CVE-2021-27025
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
puppet
RubyGems
 7.0.0 up to 7.12.1
7.12.1
puppet
RubyGems
 before 6.25.1
6.25.1
puppet
Debian:11
 All versions, plus listed versions
5.5.22-25.5.22-2.15.5.22-2.25.5.22-35.5.22-46.16.0-1
 None known
puppet
RubyGems
 7.0.0 up to 7.12.1, plus listed versions
7.1.07.10.07.11.07.12.07.3.0
Show 7 moreShow less
7.4.07.4.17.5.07.6.17.7.07.8.07.9.0
7.12.1
puppet
RubyGems
 before 6.25.1, plus listed versions
0.13.00.13.10.13.20.13.60.16.0
Show 45 moreShow less
0.18.40.22.40.23.00.23.10.23.20.24.00.24.10.24.20.24.30.24.40.24.50.24.60.24.70.24.80.24.90.25.00.25.10.25.20.25.30.25.40.25.50.9.22.6.02.6.12.6.102.6.112.6.122.6.132.6.142.6.152.6.162.6.172.6.182.6.22.6.32.6.42.6.52.6.62.6.72.6.82.6.92.7.12.7.112.7.122.7.13
6.25.1
puppet-agent
Red Hat:satellite_capsule:6.10::el7
From an advisory covering 2 CVEs
 before 0:6.26.0-1.el7sat
0:6.26.0-1.el7sat
puppetserver
Red Hat:satellite_capsule:6.10::el7
From an advisory covering 2 CVEs
 before 0:6.18.0-1.el7sat
0:6.18.0-1.el7sat
puppet-agent
Red Hat:satellite:6.10::el7
From an advisory covering 2 CVEs
 before 0:6.26.0-1.el7sat
0:6.26.0-1.el7sat
puppetserver
Red Hat:satellite:6.10::el7
From an advisory covering 2 CVEs
 before 0:6.18.0-1.el7sat
0:6.18.0-1.el7sat
puppet-agent
Red Hat:rhel_satellite_tools:6.10::el6
From an advisory covering 2 CVEs
 before 0:6.26.0-1.el6sat
0:6.26.0-1.el6sat
Show 16 moreShow less
Affected packages
PackageAffectedFixed
puppet-agent
Red Hat:rhel_satellite_tools:6.10::el7
From an advisory covering 2 CVEs
 before 0:6.26.0-1.el7sat
0:6.26.0-1.el7sat
puppet-agent
Red Hat:rhel_satellite_tools:6.10::el8
From an advisory covering 2 CVEs
 before 0:6.26.0-1.el8sat
0:6.26.0-1.el8sat
puppet-agent
Red Hat:rhel_satellite_tools:6.9::el6
From an advisory covering 2 CVEs
 before 0:6.26.0-1.el6sat
0:6.26.0-1.el6sat
puppet-agent
Red Hat:rhel_satellite_tools:6.9::el7
From an advisory covering 2 CVEs
 before 0:6.26.0-1.el7sat
0:6.26.0-1.el7sat
puppet-agent
Red Hat:rhel_satellite_tools:6.9::el8
From an advisory covering 2 CVEs
 before 0:6.26.0-1.el8sat
0:6.26.0-1.el8sat
puppet
Red Hat:openstack:16.2::el8
 before 0:5.5.10-14.el8ost
0:5.5.10-14.el8ost
puppet-headless
Red Hat:openstack:16.2::el8
 before 0:5.5.10-14.el8ost
0:5.5.10-14.el8ost
puppet-server
Red Hat:openstack:16.2::el8
 before 0:5.5.10-14.el8ost
0:5.5.10-14.el8ost
puppet
Red Hat:openstack:16.1::el8
 before 0:5.5.10-14.el8ost
0:5.5.10-14.el8ost
puppet-headless
Red Hat:openstack:16.1::el8
 before 0:5.5.10-14.el8ost
0:5.5.10-14.el8ost
puppet-server
Red Hat:openstack:16.1::el8
 before 0:5.5.10-14.el8ost
0:5.5.10-14.el8ost
puppet
Ubuntu:14.04:LTS
 All versions, plus listed versions
3.2.4-2ubuntu23.3.1-1ubuntu13.3.1-1ubuntu23.3.1-1ubuntu33.4.2-1
Show 5 moreShow less
3.4.3-13.4.3-1ubuntu13.4.3-1ubuntu1.13.4.3-1ubuntu1.23.4.3-1ubuntu1.3
 None known
puppet
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
3.7.2-5ubuntu23.8.4-1ubuntu13.8.5-1ubuntu13.8.5-23.8.5-2ubuntu0.13.8.5-2ubuntu0.1+esm1
 None known
puppet
Ubuntu:18.04:LTS
 All versions, plus listed versions
4.10.4-2ubuntu14.10.4-2ubuntu24.10.4-2ubuntu35.4.0-2ubuntu3
 None known
puppet
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.4.0-2ubuntu35.5.10-4ubuntu3
 None known
puppet
Ubuntu:22.04:LTS
 All versions, plus listed versions
5.5.22-1ubuntu15.5.22-45.5.22-4ubuntu0.2
 None known

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-27025 is a medium vulnerability (CVSS 6.5) in Puppet, published November 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.11%, the 66th percentile. Fixed in puppet 7.12.1.

References

Show 36 moreShow less
This page doesn't list everything

Left out here: 194 versions. The JSON record has them.

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