Improper privilege management in SUSE Rancher
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-269.
Summary
Improper Privilege Management vulnerability in SUSE Rancher allows Privilege Escalation. A failure in the update logic of Rancher's admission Webhook may lead to the misconfiguration of the Webhook. This component enforces validation rules and security checks before resources are admitted into the Kubernetes cluster. The issue only affects users that upgrade from 2.6.x or 2.7.x to 2.7.2. Users that did a fresh install of 2.7.2 (and did not follow an upgrade path) are not affected.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SUSE | Rancher | 2.6.0 – 2.7.2 | 2.7.3 | Patch available | CNA |
| — | github.com/rancher/rancher (Go) | 2.7.2 to before 2.7.3 | 2.7.3 | Patch available | GHSA-6m9f-pj6w-w87g |
| — | github.com/rancher/rancher (Go) | 0.0.0-20220922131902-ec6d6d3a7616 to before 0.0.0-20230424183121-6d9a175954c6 | 0.0.0-20230424183121-6d9a175954c6 | Patch available | GHSA-6m9f-pj6w-w87g |
- Rancher VendorSUSE Affected 2.6.0 – 2.7.2 Fixed in 2.7.3 Patch available CNA
- github.com/rancher/rancher (Go) Vendor— Affected 2.7.2 to before 2.7.3 Fixed in 2.7.3 Patch available GHSA-6m9f-pj6w-w87g
- github.com/rancher/rancher (Go) Vendor— Affected 0.0.0-20220922131902-ec6d6d3a7616 to before 0.0.0-20230424183121-6d9a175954c6 Fixed in 0.0.0-20230424183121-6d9a175954c6 Patch available GHSA-6m9f-pj6w-w87g
Remediation
- Fix · CNA Rancher (SUSE) Fixed in 2.7.3
- Fix · GHSA-6m9f-pj6w-w87g github.com/rancher/rancher (Go) Fixed in 2.7.3 Advisory →
- Fix · GHSA-6m9f-pj6w-w87g github.com/rancher/rancher (Go) Fixed in 0.0.0-20230424183121-6d9a175954c6 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-22651
- 2026-10-03 Alias added: GHSA-6m9f-pj6w-w87g
References
More SUSE Rancher vulnerabilities
- TI-2021-14903 Rancher: Plaintext storage and exposure of credentials in Rancher API and cluster.management.cattle.io object CVSS 3.1CRITICAL 9.9
- TI-2022-21489 Rancher: Non-random authentication token CVSS 3.1CRITICAL 9.8
- TI-2019-08380 An issue was discovered that affects the following versions of Rancher: v2.0.0 through… CVSS 3.0CRITICAL 9.8
- TI-2023-08823 Improper privilege management in SUSE Rancher CVSS 3.1CRITICAL 9.9
- TI-2022-21491 Rancher: Exposure of sensitive fields CVSS 3.1CRITICAL 9.9
- TI-2021-14904 Rancher: Failure to properly sanitize credentials in cluster template answers CVSS 3.1CRITICAL 9.9
Sources
- CVE-2023-22651 · CVE Program
- CVE-2023-22651 · NVD
- FIRST EPSS
- GHSA-6m9f-pj6w-w87g · GitHub Advisory Database · CC BY 4.0
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