What’s Vulnerable › Vulnerabilities

CVE-2021-35946

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-07 · updated 2026-06-17
• Weakness: CWE-269

Description

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.

Affected products

• Owncloud: before 10.8.0 — fixed in 10.8.0

How to fix

Upgrade to a fixed version: Owncloud 10.8.0. Check the vendor advisory for mitigations.

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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