Vulnerability in Nextcloud Guests
CVE-2024-22401
Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions users could change the allowed list of apps, allowing them to use apps that were not intended to be used. It is recommended that the Guests app is upgraded to 2.4.1, 2.5.1 or 3.0.1. There are no known workarounds for this vulnerability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (37.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Nextcloud Guests — versions 2.5.0, 3.0.0
- Nextcloud Security-Advisories — versions >= 2.4.0, < 2.4.1, >= 2.5.0, < 2.5.1, >= 3.0.0, < 3.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/nextcloud/security-advisories/security/advisories/GHSA-wr87-hx3w-29hh (Vendor Advisory)
- github.com/nextcloud/guests/pull/1082 (Patch)
- hackerone.com/reports/2250398 (Permissions Required, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-22401?
- CVE-2024-22401 is a medium-severity vulnerability in Nextcloud Guests, classified under Improper Preservation of Permissions. CVSS score: 4.1/10. Published 2024-01-18.
- How severe is CVE-2024-22401?
- Medium severity. CVSS v3 base score is 4.1 out of 10.
- Is CVE-2024-22401 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.