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TI-2018-04795 Aliases CVE-2018-6515GHSA-5xw6-x436-6c39

Improper input validation in Puppet Agent

Priority LOW 36CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

Puppet Agent 1.10.x prior to 1.10.13, Puppet Agent 5.3.x prior to 5.3.7, and Puppet Agent 5.5.x prior to 5.5.2 on Windows only, with a specially crafted configuration file an attacker could get pxp-agent to load arbitrary code with privilege escalation.

Why it matters now

EPSS 0.00847 58th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
PuppetPuppet AgentPuppet Agent 1.10.x prior to 1.10.13, Puppet Agent 5.3.x prior to 5.3.7, Puppet Agent 5.5.x prior to 5.5.2—No fix listedCNA
  • Puppet Agent VendorPuppet Affected Puppet Agent 1.10.x prior to 1.10.13, Puppet Agent 5.3.x prior to 5.3.7, Puppet Agent 5.5.x prior to 5.5.2 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:puppet:puppet:*:*:*:*:*:*:*:*1.10.0 to before 1.10.13; 5.3.0 to before 5.3.7; 5.5.0 to before 5.5.2VulnerablePuppet
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:puppet:puppet:*:*:*:*:*:*:*:* Versions 1.10.0 to before 1.10.13; 5.3.0 to before 5.3.7; 5.5.0 to before 5.5.2 Vulnerable ·Puppet
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat Satellite 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-6515
  2. 2026-10-03 Alias added: GHSA-5xw6-x436-6c39

References

  • TI-2016-02327 Puppet Server before 2.3.2 and Ruby puppetmaster in Puppet 4.x before 4.4.2 and in Puppet… CVSS 3.1CRITICAL 9.8
  • TI-2013-01442 The (1) template and (2) inline_template functions in the master server in Puppet before… CVSS 2.0HIGH 9.0
  • TI-2021-08594 SQL injection in Puppet DB CVSS 3.1HIGH 8.8
  • TI-2017-01576 Deserialization of untrusted data in Puppet server CVSS 3.0HIGH 8.2
  • TI-2018-04793 Untrusted search path in Puppet Enterprise and Puppet Agent CVSS 3.0HIGH 8.8
  • TI-2013-01456 Puppet 2.7.x before 2.7.21 and 3.1.x before 3.1.1, when running Ruby 1.9.3 or later… CVSS 2.0HIGH 7.5
See all 41 →

Sources