CVE-2021-36783

Name: CVE-2021-36783
Creator: NVD / NIST
Published: 2022-09-07T09:15:08.6+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.9/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2021-36783 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. A Insufficiently Protected Credentials vulnerability in SUSE Rancher allows authenticated Cluster Owners, Cluster Members, Project Owners and Project Members to read credentials, passwords and API tokens that have been stored in cleartext and exposed via API endpoints. This issue affects: SUSE Rancher Rancher versions prior to 2.6.4; Rancher versions prior to 2.5.13.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

A Insufficiently Protected Credentials vulnerability in SUSE Rancher allows authenticated Cluster Owners, Cluster Members, Project Owners and Project Members to read credentials, passwords and API tokens that have been stored in cleartext and exposed via API endpoints. This issue affects: SUSE Rancher Rancher versions prior to 2.6.4; Rancher versions prior to 2.5.13.

Metrics

CVSS 3.1

9.9/10

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

EPSS Probability

0.65%

46.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Suse	Rancher	>= 2.5.0, < 2.5.13
Suse	Rancher	>= 2.6.0, < 2.6.4

References

https://bugzilla.suse.com/show_bug.cgi?id=1193990Issue Tracking, Vendor Advisory
https://github.com/rancher/rancher/security/advisories/GHSA-8w87-58w6-hfv8Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1193990Issue Tracking, Vendor Advisory
https://github.com/rancher/rancher/security/advisories/GHSA-8w87-58w6-hfv8Third Party Advisory

Timeline

Published: Sep 7, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36783?

How severe is CVE-2021-36783?

CVE-2021-36783 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36783?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36783?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST