CVE-2022-21951

Name: CVE-2022-21951
Creator: NVD / NIST
Published: 2022-05-25T09:15:08.167+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2022-21951 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. A Cleartext Transmission of Sensitive Information vulnerability in SUSE Rancher, Rancher allows attackers on the network to read and change network data due to missing encryption of data transmitted via the network when a cluster is created from an RKE template with the CNI value overridden This issue affects: SUSE Rancher Rancher versions prior to 2.5.14; Rancher versions prior to 2.6.5.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

A Cleartext Transmission of Sensitive Information vulnerability in SUSE Rancher, Rancher allows attackers on the network to read and change network data due to missing encryption of data transmitted via the network when a cluster is created from an RKE template with the CNI value overridden This issue affects: SUSE Rancher Rancher versions prior to 2.5.14; Rancher versions prior to 2.6.5.

Metrics

CVSS 3.1

6.8/10

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

EPSS Probability

0.37%

28.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Suse	Rancher	>= 2.5.0, < 2.5.14
Suse	Rancher	>= 2.6.0, < 2.6.5

References

https://bugzilla.suse.com/show_bug.cgi?id=1199443Issue Tracking, Third Party Advisory
https://github.com/rancher/rancher/security/advisories/GHSA-vrph-m5jj-c46cExploit, Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1199443Issue Tracking, Third Party Advisory
https://github.com/rancher/rancher/security/advisories/GHSA-vrph-m5jj-c46cExploit, Third Party Advisory

Timeline

Published: May 25, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-21951?

How severe is CVE-2022-21951?

CVE-2022-21951 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2022-21951?

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-2022-21951?

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

Scan your code now

Source: NVD / NIST