CVE-2024-52520

Name: CVE-2024-52520
Creator: NVD / NIST
Published: 2024-11-15T17:15:22.2+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.78%

Last modified Jun 17, 2026

CVE-2024-52520 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Nextcloud Server is a self hosted personal cloud system. Due to a pre-flighted HEAD request, the link reference provider could be tricked into downloading bigger websites than intended, to find open-graph data. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

Description

Nextcloud Server is a self hosted personal cloud system. Due to a pre-flighted HEAD request, the link reference provider could be tricked into downloading bigger websites than intended, to find open-graph data. It is recommended that the Nextcloud Server is upgraded to 28.0.10 or 29.0.7 and Nextcloud Enterprise Server is upgraded to 27.1.11.8, 28.0.10 or 29.0.7.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability

0.78%

51.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nextcloud	Nextcloud Server	>= 27.0.0, < 27.1.11.8
Nextcloud	Nextcloud Server	>= 28.0.0, < 28.0.10
Nextcloud	Nextcloud Server	>= 29.0.0, < 29.0.7

References

Timeline

Published: Nov 15, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-52520?

How severe is CVE-2024-52520?

CVE-2024-52520 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2024-52520?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-52520?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST