CVE-2023-28998
low-risk
Published 2023-04-04
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.
Do I need to act?
~
1.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.7/10
Medium
PHYSICAL
/ LOW complexity
Affected Products (1)
Affected Vendors
References (6)
29
/ 100
low-risk
Severity
21/34 · High
Exploitability
3/34 · Minimal
Exposure
5/34 · Minimal