Home/CVE/Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server prior
CVE

CVE-2022-39330

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server prior

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server prior to versions 23.0.10 and 24.0.6 and Nextcloud Enterprise Server prior to versions 22.2.10, 23.0.10, and 24.0.6 are vulnerable to a logged-in attacker slowing down the system by generating a lot of database/cpu load. Nextcloud Server versions 23.0.10 and 24.0.6 and Nextcloud Enterprise Server versions 22.2.10, 23.0.10, and 24.0.6 contain patches for this issue.

As a workaround, disable the Circles app.

MEDIUM · CVSS 4.8 EPSS 0.00392
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

5
nextcloud enterprise server< 22.2.10
nextcloud enterprise server>= 23.0.0 and < 23.0.10
nextcloud enterprise server>= 24.0.0 and < 24.0.6
nextcloud server< 23.0.10
nextcloud server>= 24.0.0 and < 24.0.6
▣

Scoring & Timeline

4.8
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 NVD27 Oct 2022 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
🔗

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/circles/pull/1147PatchThird Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wxx7-w5p4-7x4cThird Party Advisory
https://hackerone.com/reports/1688199Permissions RequiredThird Party Advisory
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