Vulnerability in Red Hat Mirror-Registry-2.0-Rhel-8
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (11.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Red Hat Mirror-Registry-2.0-Rhel-8 — versions v2.0.7-9
- Red Hat Mirror Registry For Openshift
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHBA-2025:9645 (vendor-advisory)
- access.redhat.com/security/cve/CVE-2025-3528 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking)
Frequently asked questions
- What is CVE-2025-3528?
- CVE-2025-3528 is a high-severity vulnerability in Red Hat Mirror-Registry-2.0-Rhel-8, classified under Incorrect Default Permissions. CVSS score: 8.2/10. Published 2025-05-09.
- How severe is CVE-2025-3528?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2025-3528 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.