How severe is CVE-2021-3684?

CVE-2021-3684 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-3684 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3684?

CVE-2021-3684 primarily affects Redhat Openshift Assisted Installer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-3684?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-3684 published?

CVE-2021-3684 was published on 2023-03-24 and last updated on 2026-06-17.

CVE-2021-3684

CVE-2021-3684 is a medium-severity vulnerability in Redhat Openshift Assisted Installer with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-532.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: Redhat Openshift Assisted Installer
Published: 2023-03-24
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-3684?: 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.
How severe is CVE-2021-3684?: CVE-2021-3684 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-3684 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3684?: CVE-2021-3684 primarily affects Redhat Openshift Assisted Installer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-3684?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3684 published?: CVE-2021-3684 was published on 2023-03-24 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:redhat:openshift_assisted_installer:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.6:*:*:*:*:*:*:*

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