Vulnerability in Puppet Remediate

CVE-2021-27018

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.

Vulnerability class: Improper Certificate Validation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-27018: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

  • Puppet Remediate
  • Puppet Remediate — versions Affects Puppet Remediate prior to 2.0, resolved in 2.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-27018?
CVE-2021-27018 is a high-severity vulnerability in Puppet Remediate, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2021-08-30.
How severe is CVE-2021-27018?
High severity. CVSS v3 base score is 7.5 out of 10.