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CVE-2022-31247

27
FAUCET Score

CVE-2022-31247 is an Improper Authorization vulnerability in SUSE Rancher versions prior to 2.6.7 and 2.5.16. It allows users with specific role-binding permissions (e.g., cluster-owner, project-owner) to escalate their privileges and gain owner access in other projects within the same or different downstream clusters. This critical vulnerability has a CVSS score of 9.1, indicating a network-exploitable flaw with high impact on confidentiality, integrity, and availability, requiring high privileges to exploit. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion, suggesting awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.5.0, < 2.5.16CPE matchmatch criteria
cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*
>= 2.6.0, < 2.6.7CPE matchmatch criteria
cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.3
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.84%
Probability of exploitation in next 30 days
EPSS Percentile
54.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0084 is in the 52nd percentile among its peer group of 464 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.7 Bluesky, 0.4 Mastodon, and 1.7 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

gopatch availablevia ghsa
Product: github.com/rancher/rancherFixed in: 2.5.16
gopatch availablevia ghsa
Product: github.com/rancher/rancherFixed in: 2.6.7
github_advisoryworkaround availablevia nvd_reference
View patch

Vendor Advisories (1)

goGHSA-6x34-89p7-95wgcritical

Rancher has downstream cluster privilege escalation through cluster and project role template binding (CRTB/PRTB)

Mar 3, 2026

References

bugzilla.suse.com / show_bug.cgi
ExploitIssue TrackingMitigationVendor Advisory
github.com / rancher/rancher/security/advisories/GHSA-6x34-89p7-95wg
ExploitMitigationThird Party Advisory