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TI-2021-08591 Aliases CVE-2021-27018GHSA-22qw-g2hg-q8w6

Improper certificate validation in Puppet Remediate

Priority LOW 34CWE-295Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-295.

Summary

The mechanism which performs certificate validation was discovered to have a flaw that resulted in certificates signed by an internal certificate authority to not be properly validated. This issue only affects clients that are configured to utilize Tenable.sc as the vulnerability data source.

Why it matters now

EPSS 0.00541 45th 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
—Puppet RemediateAffects Puppet Remediate prior to 2.0, resolved in 2.0—No fix listedCNA
  • Puppet Remediate Vendor— Affected Affects Puppet Remediate prior to 2.0, resolved in 2.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:puppet:remediate:*:*:*:*:*:*:*:*before 2.0.1VulnerablePuppet
  • cpe:2.3:a:puppet:remediate:*:*:*:*:*:*:*:* Versions before 2.0.1 Vulnerable ·Puppet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27018
  2. 2026-10-03 Alias added: GHSA-22qw-g2hg-q8w6

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences