What is CVE-2022-24889?

CVE-2022-24889 is a low-severity vulnerability in Nextcloud Server, classified under Insufficient Verification of Data Authenticity. CVSS score: 2.4/10. Published 2022-04-27.

How severe is CVE-2022-24889?

Low severity. CVSS v3 base score is 2.4 out of 10.

Vulnerability in Nextcloud Server

CVE-2022-24889

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Prior to versions 21.0.8, 22.2.4, and 23.0.1, it is possible to trick administrators into enabling "recommended" apps for the Nextcloud server that they do not need, thus expanding their attack surface unnecessarily. This issue is fixed in versions 21.0.8 , 22.2.4, and 23.0.1.

Published 2022-04-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.000

Affected products

Nextcloud Server
Nextcloud Security-Advisories — versions < 21.0.8, < 22.2.4, < 23.0.1

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

github.com/nextcloud/security-advisories/security/advisories/GHSA-5vw6-6prg-gvw6 (Third Party Advisory)
github.com/nextcloud/server/pull/30615 (Third Party Advisory)
hackerone.com/reports/1403614 (Exploit, Third Party Advisory)
security.gentoo.org/glsa/202208-17 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2022-24889?: CVE-2022-24889 is a low-severity vulnerability in Nextcloud Server, classified under Insufficient Verification of Data Authenticity. CVSS score: 2.4/10. Published 2022-04-27.
How severe is CVE-2022-24889?: Low severity. CVSS v3 base score is 2.4 out of 10.