CVE-2024-37315 Nextcloud Server's read-only users can restore old versions

What is CVE-2024-37315?

CVE-2024-37315 is a low-severity missing authorization vulnerability in Nextcloud Nextcloud Server, published on 14 Jun 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Nextcloud Server is a self hosted personal cloud system. An attacker with read-only access to a file is able to restore older versions of a document when the files_versions app is enabled. It is recommended that the Nextcloud Server is upgraded to 26.0.12, 27.1.7 or 28.0.3 and that the Nextcloud Enterprise Server is upgraded to 23.0.12.16, 24.0.12.12, 25.0.13.6, 26.0.12, 27.1.7 or 28.0.3.

Weakness: CWE-284

Which versions are affected by CVE-2024-37315?

It affects 1 product.

Products include Nextcloud Nextcloud Server.

How do I fix CVE-2024-37315?

No fix has been published for CVE-2024-37315 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2024-37315 being exploited?

There is no known exploitation of CVE-2024-37315 in the wild and no public exploit code.

Other vulnerabilities in Nextcloud Nextcloud Server

• CVE-2021-32802 Preview generation used third-party library not suited for user-generated content in Nextcloud server Critical 9.3
• CVE-2023-26482 Scope of workflow operations is not validated in nextcloud server Critical 9.1
• CVE-2018-3775 Auth bypass in Nextcloud Server High 8.8
• CVE-2023-35172 Nextcloud Server password reset endpoint is not brute force protected High 8.7
• CVE-2023-32320 Nextcloud Server's brute force protection allows someone to send more requests than intended High 8.7

All Nextcloud Nextcloud Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-5mq8-738w-5942.