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 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.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_confirm
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4p33-rw27-j5fc
Patch x_refsource_misc
https://github.com/nextcloud/desktop/pull/5324
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdf
Scores
CVSS v3
6.7
EPSS
0.0148
EPSS Percentile
81.2%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-323
Status
published
Products (1)
nextcloud/desktop
3.0.0 - 3.6.5
Published
Apr 04, 2023
Tracked Since
Feb 18, 2026