Vulnerability · Published Oct 13, 2023 · Assigned by GitHub_M
CVE-2023-39960Nextcloud Server has improper restriction of excessive authentication attempts on WebDAV endpoint
Medium 5.0
In plain English
A medium-severity security flaw in security-advisories from nextcloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Official description
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server starting with 25.0.0 and prior to 25.09 and 26.04; as well as Nextcloud Enterprise Server starting with 22.0.0 and prior to 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4; missing protection allows an attacker to brute force passwords on the WebDAV API. Nextcloud Server 25.0.9 and 26.0.4 and Nextcloud Enterprise Server 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4 contain patches for this issue. No known workarounds are available.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| nextcloud | security-advisories | >= 22.0.0, < 22.2.10.14>= 23.0.0, < 23.0.12.9>= 24.0.0, < 24.0.12.5>= 25.0.0, < 25.0.9>= 26.0.0, < 26.0.4 |
Weakness: CWE-307 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2hrc-5fgp-c9c9 x_refsource_CONFIRM
- https://github.com/nextcloud/server/pull/38046 x_refsource_MISC
- https://hackerone.com/reports/1924212 x_refsource_MISC