cve.bz

CVE-2023-28999

6.4 mediumEPSS 0.7%

Medium (6.4) in nextcloud. EPSS 0.7% chance of exploitation in the next 30 days.

Nextcloud is an open-source productivity platform. In Nextcloud Desktop client 3.0.0 until 3.8.0, Nextcloud Android app 3.13.0 until 3.25.0, and Nextcloud iOS app 3.0.5 until 4.8.0, 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.​ This issue is fixed in Nextcloud Desktop 3.8.0, Nextcloud Android 3.25.0, and Nextcloud iOS 4.8.0. No known workarounds are available.

Severity

CVSS 3.1

6.4 medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L
EPSS
0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
CWEs
CWE-311, CWE-325
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON