low3.5
CVE-2023-39959
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nextcloud | Nextcloud Server | from 25.0.0 before 25.0.9 from 26.0.0 before 26.0.4 Version 27.0.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g97r-8ffm-hfpj
- https://github.com/nextcloud/server/pull/38747
- https://hackerone.com/reports/1832126
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g97r-8ffm-hfpj
- https://github.com/nextcloud/server/pull/38747
- https://hackerone.com/reports/1832126