Vulnerability Description
Nextcloud server is an open source home cloud implementation. In affected versions when a recipient receives 2 shares with the same name, while a memory cache is configured, the second share will replace the first one instead of being renamed to `{name} (2)`. It is recommended that the Nextcloud Server is upgraded to 25.0.3 or 24.0.9. Users unable to upgrade should avoid sharing 2 folders with the same name to the same user.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | >= 24.0.0, < 24.0.9 |
Related Weaknesses (CWE)
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hhq4-4Vendor Advisory
- https://github.com/nextcloud/server/issues/34015ExploitIssue Tracking
- https://github.com/nextcloud/server/pull/36047Issue TrackingPatch
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hhq4-4Vendor Advisory
- https://github.com/nextcloud/server/issues/34015ExploitIssue Tracking
- https://github.com/nextcloud/server/pull/36047Issue TrackingPatch
FAQ
What is CVE-2023-28643?
CVE-2023-28643 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Nextcloud server is an open source home cloud implementation. In affected versions when a recipient receives 2 shares with the same name, while a memory cache is configured, the second share will repl...
How severe is CVE-2023-28643?
CVE-2023-28643 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-28643?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Nextcloud Server.