Vulnerability Description
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.9, 26.0.4, and 27.0.1, unauthenticated users could send a DAV request which reveals whether a calendar or an address book with the given identifier exists for the victim. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | >= 25.0.0, < 25.0.9 |
Related Weaknesses (CWE)
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g97r-8Vendor Advisory
- https://github.com/nextcloud/server/pull/38747Patch
- https://hackerone.com/reports/1832126Permissions Required
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g97r-8Vendor Advisory
- https://github.com/nextcloud/server/pull/38747Patch
- https://hackerone.com/reports/1832126Permissions Required
FAQ
What is CVE-2023-39959?
CVE-2023-39959 is a vulnerability with a CVSS score of 3.5 (LOW). Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.9, 26.0.4, and 27.0.1, unauthenticated users could send a DAV...
How severe is CVE-2023-39959?
CVE-2023-39959 has been rated LOW with a CVSS base score of 3.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-39959?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Nextcloud Server.