CVE-2023-28999: Nextcloud: Lack of authenticity of metadata keys allows a malicious server to gain access to E2EE folders
nextcloud · security-advisories
Affected: nextcloud security-advisories · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 52% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- nextcloud · security-advisories>= 3.0.0, < 3.8.0; >= 3.13.0, < 3.25.0; >= 3.0.5, < 4.8.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- nextcloud
- Published
- April 2023
CoverageNo articles yet
No CyberSIXT article names CVE-2023-28999 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.