Medium severity · published Nov 15, 2024
CVE-2024-52520
Nextcloud Server is a self hosted personal cloud system
6.5
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NS
Nextcloud Server · Nextcloud
27.0.0 before 27.1.11.8; 28.0.0 before 28.0.10; 28.0.0 before 28.0.10; 29.0.0 before 29.0.7; 29.0.0 before 29.0.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-52520
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-52520
Vendor Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxqf-cfxw-mqmj
Patch
https://github.com/nextcloud/server/commit/873c42b0f1383d5b6f2b7a481e1d9620ed30f44a
Patch
https://github.com/nextcloud/server/pull/47627
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