CVE-2023-39959

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.

References

https://hackerone.com/reports/1832126

https://github.com/nextcloud/server/pull/38747

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g97r-8ffm-hfpj

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3