Auth bypass in Nextcloud Notes

CVE-2024-37317

The Nextcloud Notes app is a distraction free notes taking app for Nextcloud. If an attacker managed to share a folder called `Notes/` with a newly created user before they logged in, the Notes app would use that folder store the personal notes. It is recommended that the Nextcloud Notes app is upgraded to 4.9.3.

EPSS: 0.003 (23.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-37317?
CVE-2024-37317 is a medium-severity vulnerability in Nextcloud Notes, classified under Improper Access Control. CVSS score: 4.6/10. Published 2024-06-14.
How severe is CVE-2024-37317?
Medium severity. CVSS v3 base score is 4.6 out of 10.
Is CVE-2024-37317 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.