CVE-2025-23015
Apache Cassandra: User with MODIFY permission on ALL KEYSPACES can escalate privileges to superuser via unsafe actions
Description
Privilege Defined With Unsafe Actions vulnerability in Apache Cassandra. An user with MODIFY permission ON ALL KEYSPACES can escalate privileges to superuser within a targeted Cassandra cluster via unsafe actions to a system resource. Operators granting data MODIFY permission on all keyspaces on affected versions should review data access rules for potential breaches. This issue affects Apache Cassandra through 3.0.30, 3.11.17, 4.0.15, 4.1.7, 5.0.2. Users are recommended to upgrade to versions 3.0.31, 3.11.18, 4.0.16, 4.1.8, 5.0.3, which fixes the issue.
How to fix CVE-2025-23015
To remediate CVE-2025-23015, upgrade the affected package to a fixed version below.
- —upgrade to 3.0.31 or later
- —upgrade to 5.0.3 or later
Is CVE-2025-23015 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 3.0.0, < 3.0.31, >= 3.1.0, < 3.11.18, >= 4.0.0, < 4.0.16, >= 4.1.0, < 4.1.8, >= 5.0.0, < 5.0.3
- >= 5.0-alpha1, < 5.0.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |