What’s Vulnerable › Vulnerabilities

CVE-2021-3684

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-24 · updated 2026-06-17
• Weakness: CWE-532

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.

Affected products

• RedHat Openshift Assisted Installer: before 1.0.25.3 — fixed in 1.0.25.3
• Red Hat OpenShift Container Platform 4.18: 4.6

How to fix

Upgrade to a fixed version: RedHat Openshift Assisted Installer 1.0.25.3. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1985962
• https://github.com/openshift/assisted-installer/commit/2403dad3795406f2c5d923af0894e07bc8b0bdc4
• https://github.com/openshift/assisted-installer/commit/f3800cfa3d64ce6dcd6f7b73f0578bb99bfdaf7a
• https://bugzilla.redhat.com/show_bug.cgi?id=1985962
• https://github.com/openshift/assisted-installer/commit/2403dad3795406f2c5d923af0894e07bc8b0bdc4
• https://github.com/openshift/assisted-installer/commit/f3800cfa3d64ce6dcd6f7b73f0578bb99bfdaf7a

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