CVE-2025-3528

Mirror-registry: local privilege escalation due to incorrect permissions in mirror-registry

Published May 9, 2025 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Workaround

This issue can be mitigated by setting this line in each mirror registry systemd configurations: --security-opt=no-new-privileges This would prevent any privilege escalation until the issue is fixed.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-14164 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.
History
Type Values Removed Values Added
CPEs cpe:/a:redhat:mirror_registry:2.0.0::el8
References
Type Values Removed Values Added
Metrics epss

{'score': 0.00014}

epss

{'score': 0.00016}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description No description is available for this CVE. 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.
Title mirror-registry: Local privilege escalation due to incorrect permissions in mirror-registry Mirror-registry: local privilege escalation due to incorrect permissions in mirror-registry
First Time appeared Redhat
Redhat mirror Registry
CPEs cpe:/a:redhat:mirror_registry:1
Vendors & Products Redhat
Redhat mirror Registry
References
Type Values Removed Values Added
Description No description is available for this CVE.
Title mirror-registry: Local privilege escalation due to incorrect permissions in mirror-registry
Weaknesses CWE-276
References
Metrics threat_severity

None

cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H'}

threat_severity

Important

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Feb 27, 2026, 4:29 PM
Reserved
Apr 11, 2025, 6:46 PM
Status
Deferred
Published
May 9, 2025, 12:15 PM
Modified
Jun 17, 2026, 9:20 AM
Severity
Important
Public date
Apr 11, 2024, 12:00 AM