Privilege escalation in ownCloud
CVE-2021-35946
A receiver of a federated share with access to the database with ownCloud version before 10.8 could update the permissions and therefore elevate their own permissions.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (72.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
References
- doc.owncloud.com/server/admin_manual/release_notes.html (Release Notes, Vendor Advisory)
- owncloud.com/security-advisories/cve-2021-35946/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-35946?
- CVE-2021-35946 is a critical-severity vulnerability in ownCloud, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2021-09-07.
- How severe is CVE-2021-35946?
- Critical severity. CVSS v3 base score is 9.8 out of 10.