CVE-2021-36776

Name: CVE-2021-36776
Creator: NVD / NIST
Published: 2022-04-04T13:15:07.53+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.07%

Last modified Jun 17, 2026

CVE-2021-36776 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A Improper Access Control vulnerability in SUSE Rancher allows remote attackers impersonate arbitrary users. This issue affects: SUSE Rancher Rancher versions prior to 2.5.10.. EPSS estimates a 1.07% chance of exploitation in the next 30 days.

Description

A Improper Access Control vulnerability in SUSE Rancher allows remote attackers impersonate arbitrary users. This issue affects: SUSE Rancher Rancher versions prior to 2.5.10.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.07%

60.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Rancher	Rancher	< 2.5.10

References

https://bugzilla.suse.com/show_bug.cgi?id=1189413Issue Tracking, Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1189413Issue Tracking, Third Party Advisory

Timeline

Published: Apr 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36776?

A Improper Access Control vulnerability in SUSE Rancher allows remote attackers impersonate arbitrary users. This issue affects: SUSE Rancher Rancher versions prior to 2.5.10.

How severe is CVE-2021-36776?

CVE-2021-36776 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36776?

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-2021-36776?

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

Scan your code now

Source: NVD / NIST