CVE-2023-28997

moderate-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 recover and modify the contents of end-to-end encrypted 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?

~
1.5% 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

30
/ 100
moderate-risk
Severity 21/34 · High
Exploitability 4/34 · Minimal
Exposure 5/34 · Minimal