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Vulnerability record · CVE-2021-36756 · published 27 October 2021

CVE-2021-36756: Northern.tech cfengine improper certificate validation vulnerability

NNorthern.Tech · Cfengine

CFEngine Enterprise 3.15.0 through 3.15.4 has Missing SSL Certificate Validation.

6.5 CVSS 3.1 Medium EPSS 0.42% · top 66.5% CWE-295 · Improper certificate validation
6.5CVSS 3.1 base score, v2 6.4
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

CFEngine Enterprise 3.15.0 through 3.15.4 has Missing SSL Certificate Validation.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cfengine.com/blog/2021/cve-2021-38379-and-cve-2021-36756/ PatchVendor Advisory
https://cfengine.com/downloads/cfengine-enterprise/ PatchVendor Advisory
https://cfengine.com/blog/2021/cve-2021-38379-and-cve-2021-36756/ PatchVendor Advisory
https://cfengine.com/downloads/cfengine-enterprise/ PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-36756), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.