CVE-2021-3684

OpenShift Assisted Installer leaks image pull secrets as plaintext in installation logs

5.5 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.25%Up 0.2 points since Mar 25, 2023

What each source reports

NVD Score used 5.5

Record: CVE-2021-3684
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-532
Updated: 2026-11-02

CVE List No score

Record: CVE-2021-3684
Weakness: CWE-532
Updated: 2026-11-02

EUVDEUVD-2023-1010 0.0

Record: EUVD-2023-1010
CVSS: 0.0 NoneCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-g8xm-p2h4-v6jp 5.5

OpenShift Assisted Installer leaks image pull secrets as plaintext in installation logs

Record: GHSA-g8xm-p2h4-v6jp
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-532
Updated: 2026-11-02

OSV 5.5

Record: CVE-2021-3684
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVGHSA-g8xm-p2h4-v6jp 5.5

OpenShift Assisted Installer leaks image pull secrets as plaintext in installation logs

Record: GHSA-g8xm-p2h4-v6jp
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-532
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`github.com/openshift/assisted-installer` Go	before 1.0.25.1	1.0.25.1

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-3684 is a medium vulnerability (CVSS 5.5) in Redhat Openshift Assisted Installer, published March 24, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. Fixed in github.com/openshift/assisted-installer 1.0.25.1.