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CVE-2024-52520

MEDIUMCVSS 6.5/10EPSS 0.78%

Last modified

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

VendorProductVersions
NextcloudNextcloud Server>= 27.0.0, < 27.1.11.8
NextcloudNextcloud Server>= 28.0.0, < 28.0.10
NextcloudNextcloud Server>= 29.0.0, < 29.0.7

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-52520?
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.
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.

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Source: NVD / NIST