# CVE-2023-32186: RKE2 supervisor port is vulnerable to unauthenticated remote denial-of-service (DoS) attack via TLS SAN stuffing attack

Source: https://junglewise.ai/threats/cve-2023-32186-rke2-supervisor-port-is-vulnerable-to-unauthenticated-remote  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-09-11  
License: CC BY 4.0 with a link back

CVE-2023-32186 · Severity: low · CVSS 3.1 · Published 2023-09-11

RKE2 supervisor port is vulnerable to unauthenticated remote denial-of-service (DoS) attack via TLS SAN stuffing attack

Technologies: [github.com/rancher/rke2 (Go)](https://junglewise.ai/threats/technologies/github-com-rancher-rke2). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2023-32186 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-32186 being exploited in the wild.

**How severe is CVE-2023-32186?** Low severity, with a CVSS score of 3.1, published 11 September 2023.

**Which products and versions are affected?** github.com/rancher/rke2 (Go) SEMVER:introduced=0,fixed=1.24.17.

**Is there a fix for CVE-2023-32186?** Yes. github.com/rancher/rke2 (Go): upgrade to 1.24.17 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-32186?** Check whether you run github.com/rancher/rke2 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/rancher/rke2 (Go): upgrade to 1.24.17 or later

  ```sh
  go get github.com/rancher/rke2@v1.24.17
  ```


## Affected products

- github.com/rancher/rke2 (Go) SEMVER:introduced=0,fixed=1.24.17

## Identifiers

- CVE-2023-32186
- GHSA-p45j-vfv5-wprq

## Related threats

- [GO-2024-3222 - RKE2 allows privilege escalation in Windows nodes due to Insecure Access Control Lists in github.com/rancher/rke2](https://junglewise.ai/threats/go-2024-3222-rke2-allows-privilege-escalation-in-windows-nodes-due-to-12eff17e)
- [RKE2 allows privilege escalation in Windows nodes due to Insecure Access Control Lists](https://junglewise.ai/threats/rke2-allows-privilege-escalation-in-windows-nodes-due-to-insecure-0feb2dd9)