CVE-2021-35946

9.8 criticalEPSS 1.5%

Critical (9.8) in owncloud owncloud. EPSS 1.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
CWE: CWE-269
Published: 2021-09-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

owncloud:owncloud

References

https://doc.owncloud.com/server/admin_manual/release_notes.html
https://owncloud.com/security-advisories/cve-2021-35946/
https://doc.owncloud.com/server/admin_manual/release_notes.html
https://owncloud.com/security-advisories/cve-2021-35946/

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