CVE-2021-35946

CRITICAL
Published Sep 7, 20214y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Sep 7, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-269 Improper Privilege Management Authorization

Affected Products 1

VendorProductVersionRange
owncloudowncloud* <10.8.0

References 2

  • doc.owncloud.com https://doc.owncloud.com/server/admin_manual/release_notes.html
    Release NotesVendor Advisory
  • owncloud.com https://owncloud.com/security-advisories/cve-2021-35946/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.