VULNERABILITY INTELLIGENCE
CVE-2023-28998
CVSS score6.7 MEDIUM
EPSS probability0.68%
CISA KEVNot currently listed
Published2023-04-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
Description
The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can gain full access to an end-to-end encrypted folder. They can decrypt files, recover the folder structure, and add new files. Users should upgrade the Nextcloud Desktop client to 3.6.5 to receive a patch. No known workarounds are available.
Weakness classification
- security-advisories@github.com: CWE-325
Primary references
- security-advisories@github.com — Exploit, Technical Description, Third Party Advisory
- security-advisories@github.com — Patch, Vendor Advisory
- security-advisories@github.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Technical Description, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory