CVE-2023-28997
published 2023-04-04CVE-2023-28997: 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…
PriorityP335medium6.5CVSS 3.1
AVNACLPRHUINSUCHIHAN
EPSS
1.11%
62.5th percentile
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.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | nextcloud-desktop | < nextcloud-desktop 3.7.0-1 (bookworm) | nextcloud-desktop 3.7.0-1 (bookworm) |
| nextcloud | desktop | >= 3.0.0 < 3.6.5 | 3.6.5 |
| nextcloud | security-advisories | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
osv6.5MEDIUM
vendor_debian6.7MEDIUM
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Debian
CVE-2023-28997: nextcloud-desktop - The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Serve...
vendor_debian·2023·CVSS 6.7
CVE-2023-28997 [MEDIUM] CVE-2023-28997: nextcloud-desktop - The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Serve...
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.
Scope: local
bookworm: resolved (fixed in 3.7.0-1)
bullseye: resolved (fixed in 3.1.1-2+deb11u2)
forky: resolved (fixed in 3.7.0-1)
sid: resolved (fixed in 3.7.0-1)
trixie: resolved (fixed in 3.7.0-1)
OSV
CVE-2023-28997: The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server
osv·2023-04-04·CVSS 6.5
CVE-2023-28997 [MEDIUM] CVE-2023-28997: The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdfhttps://github.com/nextcloud/desktop/pull/5324https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4p33-rw27-j5fchttps://ethz.ch/content/dam/ethz/special-interest/infk/inst-infsec/appliedcrypto/education/theses/report_DanieleCoppola.pdfhttps://github.com/nextcloud/desktop/pull/5324https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4p33-rw27-j5fchttps://lists.debian.org/debian-lts-announce/2025/09/msg00018.html
2023-04-04
Published