VulnerabilityModified
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.
CRITICAL 9.8EPSS 1.48%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.48% probability · 72th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-269
- Affected
- owncloud/owncloud
- Source
- cve@mitre.org
References
- https://doc.owncloud.com/server/admin_manual/release_notes.htmlRelease Notes, Vendor Advisory
- https://owncloud.com/security-advisories/cve-2021-35946/Vendor Advisory
- https://doc.owncloud.com/server/admin_manual/release_notes.htmlRelease Notes, Vendor Advisory
- https://owncloud.com/security-advisories/cve-2021-35946/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.