CVE-2022-39330 - CVE House

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Status published Medium CVE-2022-39330

Database resource exhaustion for logged-in users via sharee recommendations with circles

4.8 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from nextcloud

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Nextcloud Deck app allowed user with "Can share" permission to modify permissions of other non-owners

Nextcloud talk allows participants to blindly delete poll drafts of other users by ID

Nextcloud Contacts vulnerable to Stored XSS in contacts app via organisation and title field

Nextcloud Tables app allowed users to view columns metadata information of any table

Affected Vendor

nextcloud

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Affected Software

security-advisories

Vulnerable Versions:

>= 23.0.0, < 23.0.9, >= 24.0.0, < 24.0.5, < 22.2.10

Timeline

Official Publish: October 27th, 2022

Last Modified: April 23rd, 2025

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service

T1498 Network Denial of Service