CVE-2025-3528: Permission Flaw (CVSS 8.2)

Description

A flaw was found in the Mirror Registry. The quay-app container shipped as part of the Mirror Registry for OpenShift has write access to the `/etc/passwd`. This flaw allows a malicious actor with access to the container to modify the passwd file and elevate their privileges to the root user within that pod.

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CVSS v3.1 Score

8.2

HIGH

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

Weakness Type (CWE)

CWE-276 Incorrect Default Permissions

References

Other References

https://access.redhat.com/errata/RHBA-2025:9645 https://access.redhat.com/security/cve/CVE-2025-3528 https://bugzilla.redhat.com/show_bug.cgi?id=2359143

Frequently Asked Questions

What is CVE-2025-3528? +

A flaw was found in the Mirror Registry. The quay-app container shipped as part of the Mirror Registry for OpenShift has write access to the `/etc/passwd`. This flaw allows a malicious actor with access to the container to modify the passwd file and elevate their privileges to the root user within that pod. It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2025-3528? +

CVE-2025-3528 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-3528? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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