Authenticated user can gain unauthorized shell pod and kubectl access in the local cluster

published 2023-01-25 3 y ago modified 2026-06-17 4 mo ago also GHSA-g25r-gvq3-wrq7 , EUVD-2023-0463

cvss: 7.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

A Missing Authorization vulnerability in of SUSE Rancher allows authenticated user to create an unauthorized shell pod and kubectl access in the local cluster This issue affects: SUSE Rancher Rancher versions prior to 2.5.17; Rancher versions prior to 2.6.10; Rancher versions prior to 2.7.1.

Patch / fix

fixed in 2

go github.com/rancher/rancher 2.5.17, 2.6.10, 2.7.1
SUSE Rancher 2.5.17, 2.6.10, 2.7.1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-03-25)

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	7.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

Affected packages

ecosystem	package	affected	fixed in
go	github.com/rancher/rancher	>=2.5.0, <2.5.17 >=2.6.0, <2.6.10 >=2.7.0, <2.7.1	2.5.17 2.6.10 2.7.1

Affected products

SUSE Rancher

Classification

Weakness

CWE-862 Missing Authorization
CWE-284 Improper Access Control
CWE-285 Improper Authorization

References

bugzilla.suse.com /show_bug.cgi?id=1199731
web, issue-tracking
github.com /rancher/rancher/security/advisories/GHSA-g25r-gvq3-wrq7
web
nvd.nist.gov /vuln/detail/CVE-2022-21953
advisory
github.com /rancher/rancher
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary