CVE-2022-21951: Suse Rancher

Medium severity, CVSS 6.8. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Suse Rancher: from 2.5.0, before 2.5.14 (fixed in 2.5.14); from 2.6.0, before 2.6.5 (fixed in 2.6.5)

Published 2022-05-25. Last modified 2026-06-17.