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CVE

CVE-2024-52520

Nextcloud Server is a self hosted personal cloud system. Due to a pre-flighted HEAD request, the link reference provider

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.

MEDIUM · CVSS 5.7 EPSS 0.01327
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

3
nextcloud server>= 27.0.0 and < 27.1.11.8
nextcloud server>= 28.0.0 and < 28.0.10
nextcloud server>= 29.0.0 and < 29.0.7
▣

Scoring & Timeline

5.7
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Nov 2024 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxqf-cfxw-mqmjVendor Advisory
https://github.com/nextcloud/server/commit/873c42b0f1383d5b6f2b7a481e1d9620ed30f44aPatch
https://github.com/nextcloud/server/pull/47627Patch
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