CVE-2024-52513 Nextcloud Server's Attachments folder for Text app is accessible on "Files drop" and "Password protected" shares
Attackers can bypass password protection on shared links to download attachments referenced in Text files, exposing sensitive data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-52513?
CVE-2024-52513 is a low-severity missing authorization vulnerability in Nextcloud Nextcloud Server, published on 15 Nov 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. After receiving a "Files drop" or "Password protected" share link a malicious user was able to download attachments that are referenced in Text files without providing the password. It is recommended that the Nextcloud Server is upgraded to 28.0.11, 29.0.8 or 30.0.1 and Nextcloud Enterprise Server is upgraded to 25.0.13.13, 26.0.13.9, 27.1.11.9, 28.0.11, 29.0.8 or 30.0.1.
Weakness: CWE-200
Which versions are affected by CVE-2024-52513?
It affects 1 product.
Products include Nextcloud Nextcloud Server.
How do I fix CVE-2024-52513?
No fix has been published for CVE-2024-52513 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-2024-52513 being exploited?
There is no known exploitation of CVE-2024-52513 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
- CVE-2023-26482 Scope of workflow operations is not validated in nextcloud server
- CVE-2018-3775 Auth bypass in Nextcloud Server
- CVE-2023-35172 Nextcloud Server password reset endpoint is not brute force protected
- CVE-2023-32320 Nextcloud Server's brute force protection allows someone to send more requests than intended
Sources
Also known as GHSA-gxph-5m4j-pfmj.