High severity · published May 9, 2025
CVE-2025-3528
Mirror-registry: local privilege escalation due to incorrect permissions in mirror-registry
8.2
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MI
MIRROR-REGISTRY-2.0-RHEL-8 · Red Hat
All versions, or not specified · source: vendor
MR
mirror registry for Red Hat OpenShift · Red Hat
All versions, or not specified · source: vendor
Affected product
MR
mirror registry for Red Hat OpenShift
Red Hat
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-3528
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-3528
access.redhat.com
https://access.redhat.com/errata/RHBA-2025:9645
access.redhat.com
https://access.redhat.com/security/cve/CVE-2025-3528
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2359143
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