CVE-2021-36756

Name: CVE-2021-36756
Creator: NVD / NIST
Published: 2021-10-27T15:15:07.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2021-36756 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. CFEngine Enterprise 3.15.0 through 3.15.4 has Missing SSL Certificate Validation.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

CFEngine Enterprise 3.15.0 through 3.15.4 has Missing SSL Certificate Validation.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.40%

32.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Northern.Tech	Cfengine	>= 3.15.0, <= 3.15.4

References

https://cfengine.com/blog/2021/cve-2021-38379-and-cve-2021-36756/Patch, Vendor Advisory
https://cfengine.com/downloads/cfengine-enterprise/Patch, Vendor Advisory
https://cfengine.com/blog/2021/cve-2021-38379-and-cve-2021-36756/Patch, Vendor Advisory
https://cfengine.com/downloads/cfengine-enterprise/Patch, Vendor Advisory

Timeline

Published: Oct 27, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36756?

CFEngine Enterprise 3.15.0 through 3.15.4 has Missing SSL Certificate Validation.

How severe is CVE-2021-36756?

CVE-2021-36756 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36756?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36756?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST