CVE-2024-22402

Improper handling of request URLs in Nextcloud Guests app allows guest users to bypass app allowlist

Description

Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions users were able to load the first page of apps they were actually not allowed to access. Depending on the selection of apps installed this may present a permissions bypass. 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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.21%
Vendor Advisory github.com Vendor Advisory github.com
Affected: nextcloud security-advisories
Published at:
Updated at:

References

Link Tags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-v3qw-7vgv-2fxj vendor advisory
https://github.com/nextcloud/guests/pull/1082 patch vendor advisory
https://hackerone.com/reports/2251074 third party advisory permissions required

Frequently Asked Questions

What is the severity of CVE-2024-22402?
CVE-2024-22402 has been scored as a medium severity vulnerability.
How to fix CVE-2024-22402?
To fix CVE-2024-22402, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-22402 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-22402 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-22402?
CVE-2024-22402 affects nextcloud security-advisories.
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