CVE-2021-3784

Name: CVE-2021-3784
Creator: NVD / NIST
Published: 2023-10-04T16:15:09.94+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.16%

Last modified Jun 17, 2026

CVE-2021-3784 is a high-severity vulnerability rated 7/10 on the CVSS scale. Garuda Linux performs an insecure user creation and authentication that allows any user to impersonate the created account. By creating users from the 'Garuda settings manager', an insecure procedure is performed that keeps the created user without an assigned password during some seconds. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

Description

Garuda Linux performs an insecure user creation and authentication that allows any user to impersonate the created account. By creating users from the 'Garuda settings manager', an insecure procedure is performed that keeps the created user without an assigned password during some seconds. This could allow a potential attacker to exploit this vulnerability in order to authenticate without knowing the password.

Metrics

CVSS 3.1

7/10

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

EPSS Probability

0.16%

5.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Garudalinux	Garuda Linux	All versions

References

https://www.incibe.es/en/incibe-cert/notices/aviso/garuda-linux-improper-authorizationThird Party Advisory
https://www.incibe.es/en/incibe-cert/notices/aviso/garuda-linux-improper-authorizationThird Party Advisory

Timeline

Published: Oct 4, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3784?

How severe is CVE-2021-3784?

CVE-2021-3784 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3784?

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-2021-3784?

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

Scan your code now

Source: NVD / NIST