CVE-2021-36778

Name: CVE-2021-36778
Creator: NVD / NIST
Published: 2022-05-02T12:16:25.847+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.69%

Last modified Jun 17, 2026

CVE-2021-36778 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A Incorrect Authorization vulnerability in SUSE Rancher allows administrators of third-party repositories to gather credentials that are sent to their servers. This issue affects: SUSE Rancher Rancher versions prior to 2.5.12; Rancher versions prior to 2.6.3.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

A Incorrect Authorization vulnerability in SUSE Rancher allows administrators of third-party repositories to gather credentials that are sent to their servers. This issue affects: SUSE Rancher Rancher versions prior to 2.5.12; Rancher versions prior to 2.6.3.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.69%

48.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Suse	Rancher	< 2.5.12
Suse	Rancher	>= 2.6.0, < 2.6.3

References

https://bugzilla.suse.com/show_bug.cgi?id=1191466Issue Tracking, Vendor Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1191466Issue Tracking, Vendor Advisory

Timeline

Published: May 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36778?

How severe is CVE-2021-36778?

CVE-2021-36778 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36778?

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-2021-36778?

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

Scan your code now

Source: NVD / NIST