CVE-2021-3684

Name: CVE-2021-3684
Creator: NVD / NIST
Published: 2023-03-24T20:15:08.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.25%

Last modified Jun 17, 2026

CVE-2021-3684 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A vulnerability was found in OpenShift Assisted Installer. During generation of the Discovery ISO, image pull secrets were leaked as plaintext in the installation logs. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

A vulnerability was found in OpenShift Assisted Installer. During generation of the Discovery ISO, image pull secrets were leaked as plaintext in the installation logs. An authenticated user could exploit this by re-using the image pull secret to pull container images from the registry as the associated user.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.25%

16.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Openshift Assisted Installer	< 1.0.25.3
Redhat	Openshift Container Platform	4.6

References

https://bugzilla.redhat.com/show_bug.cgi?id=1985962Issue Tracking, Patch, Vendor Advisory
https://github.com/openshift/assisted-installer/commit/2403dad3795406f2c5d923af0894e07bc8b0bdc4Patch
https://github.com/openshift/assisted-installer/commit/f3800cfa3d64ce6dcd6f7b73f0578bb99bfdaf7aPatch
https://bugzilla.redhat.com/show_bug.cgi?id=1985962Issue Tracking, Patch, Vendor Advisory
https://github.com/openshift/assisted-installer/commit/2403dad3795406f2c5d923af0894e07bc8b0bdc4Patch
https://github.com/openshift/assisted-installer/commit/f3800cfa3d64ce6dcd6f7b73f0578bb99bfdaf7aPatch

Timeline

Published: Mar 24, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3684?

How severe is CVE-2021-3684?

CVE-2021-3684 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3684?

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-2021-3684?

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

Scan your code now

Source: NVD / NIST