CVE-2023-32319

Basic auth header on WebDAV requests is not brute-force protected in Nextcloud

CVSS 8.1 HIGHEPSS 0.7%CWE-307

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.1EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

26 May 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Nextcloud server is an open source personal cloud implementation. Missing brute-force protection on the WebDAV endpoints via the basic auth header allowed to brute-force user credentials when the provided user name was not an email address. Users from version 24.0.0 onward are affected. This issue has been addressed in releases 24.0.11, 25.0.5 and 26.0.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

nextcloud · security-advisories

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References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mr7q-xf62-fw54 https://github.com/nextcloud/server/pull/37227