CVE-2024-22402

CVE-2024-22402 is a medium-severity vulnerability in Nextcloud Guests with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-281.

Key facts

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.

Frequently asked questions

What is CVE-2024-22402?
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.
How severe is CVE-2024-22402?
CVE-2024-22402 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-22402 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-22402?
CVE-2024-22402 primarily affects Nextcloud Guests. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-22402?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-22402 have an EU (EUVD) identifier?
Yes. CVE-2024-22402 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19957.
When was CVE-2024-22402 published?
CVE-2024-22402 was published on 2024-01-18 and last updated on 2026-06-17.

References

Affected products (3)

More vulnerabilities in Nextcloud Guests

All CVEs affecting Nextcloud Guests →

Other CWE-281 (Improper Preservation of Permissions) vulnerabilities

Browse all CWE-281 (Improper Preservation of Permissions) vulnerabilities →