CVE-2022-21951

Rancher: Weave CNI password is not set if RKE template is used with CNI value overridden

MEDIUM
6.8
CVSS Score
Published: May 25, 2022 at 08:15 AM UTC
Updated: June 17, 2026 at 04:27 AM UTC
1 product affected across 1 vendorRancher

Using Rancher by SUSE?

Get instant alerts when new vulnerabilities affect Rancher - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.8
Exploit prediction
EPSS 0.4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.5.0 ≤ v < 2.5.142.6.0 ≤ v < 2.6.5Rancher ≤ v < 2.5.14Rancher ≤ v < 2.6.5
Affected range stops below 2.5.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.6.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_CONFIRMIssue TrackingThird Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1199443

CVSS

6.8MEDIUMsuse
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-319

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card