Resource exhaustion in Apache Cloudstack
CVE-2025-69233
Due to multiple time-of-check time-of-use race conditions in the resource count check and increment logic, as well as missing validations, users of the platform are able to exceed the allocation limits configured for their accounts/domains…
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
EPSS: 0.000 (7.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apache Cloudstack
- Apache Software Foundation Cloudstack — versions 4.0.0, 4.21.0.0
Weakness classification (CWE)
References
- security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2025-69233?
- CVE-2025-69233 is a medium-severity vulnerability in Apache Cloudstack, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.5/10. Published 2026-05-08.
- How severe is CVE-2025-69233?
- Medium severity. CVSS v3 base score is 6.5 out of 10.