PT-2023-22075

CVE-2023-28999

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Published

2023-04-04

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Updated

2026-10-31

Description by

CVSS 3.1
6.9
Medium
MetricsAV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L
Name of the Vulnerable Software and Affected Versions Nextcloud Desktop client versions 3.0.0 through 3.8.0 Nextcloud Android app versions 3.13.0 through 3.25.0 Nextcloud iOS app versions 3.0.5 through 4.8.0
Description A malicious server administrator can gain full access to an end-to-end encrypted folder, allowing them to decrypt files, recover the folder structure, and add new files.
Recommendations For Nextcloud Desktop client versions 3.0.0 through 3.7.0, update to version 3.8.0. For Nextcloud Android app versions 3.13.0 through 3.24.0, update to version 3.25.0. For Nextcloud iOS app versions 3.0.5 through 4.7.0, update to version 4.8.0.
Exploitability
Exploit
Fix
Impacts
Vendors
Affected products
Related identifiers
GHSA-8875-WXWW-3RR8
ALT-PU-2023-2019
ALT-PU-2023-4584
ALT-PU-2023-5197
BIT-NEXTCLOUD-2023-28999
CLEANSTART-2024-XX39699
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