CVE-2024-52520

moderate-risk
Published 2024-11-15

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.

Do I need to act?

~
1.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.7/10 Medium
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Nextcloud

References (3)

Vendor Advisory https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxqf-c...
Patch https://github.com/nextcloud/server/commit/873c42b0f1383d5b6f2b7a481e1d9620ed30f...
Patch https://github.com/nextcloud/server/pull/47627
33
/ 100
moderate-risk
Severity 22/34 · High
Exploitability 4/34 · Minimal
Exposure 7/34 · Low