What is CVE-2023-32320?

CVE-2023-32320 is a high-severity vulnerability in Nextcloud Security-advisories, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 8.7/10. Published 2023-06-22.

How severe is CVE-2023-32320?

High severity. CVSS v3 base score is 8.7 out of 10.

Vulnerability in Nextcloud Security-advisories

CVE-2023-32320

Nextcloud Server is a data storage system for Nextcloud, a self-hosted productivity platform. When multiple requests are sent in parallel, all of them were executed even if the amount of faulty requests succeeded the limit by the time the…

EPSS: 0.005 (67.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

Affected products

Nextcloud Security-advisories — versions Nextcloud Server >= 25.0.0, < 25.0.7, Nextcloud Server >= 26.0.0, < 26.0.2, Nextcloud Enterprise Server >= 21.0.0, < 21.0.9.12

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qphh-6xh7-vffg (x_refsource_CONFIRM)
https://github.com/nextcloud/server/pull/38274 (x_refsource_MISC)
https://hackerone.com/reports/1918525 (x_refsource_MISC)

Frequently asked questions

What is CVE-2023-32320?: CVE-2023-32320 is a high-severity vulnerability in Nextcloud Security-advisories, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 8.7/10. Published 2023-06-22.
How severe is CVE-2023-32320?: High severity. CVSS v3 base score is 8.7 out of 10.