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TI-2022-18706 Aliases CVE-2022-39330

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

Priority LOW 24CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
High
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-400.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0109 65th percentileScored 2026-11-07
Fix Fixed security-advisories (nextcloud): 23.0.9, 24.0.5, 22.2.10

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
nextcloudsecurity-advisories23.0.0 to before 23.0.9; 24.0.0 to before 24.0.5; before 22.2.1023.0.9, 24.0.5, 22.2.10Patch availableCNA
  • security-advisories Vendornextcloud Affected 23.0.0 to before 23.0.9; 24.0.0 to before 24.0.5; before 22.2.10 Fixed in 23.0.9, 24.0.5, 22.2.10 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:nextcloud:nextcloud_enterprise_server:*:*:*:*:*:*:*:*before 22.2.10; 23.0.0 to before 23.0.10; 24.0.0 to before 24.0.6Vulnerablenextcloud
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*before 23.0.10; 24.0.0 to before 24.0.6Vulnerablenextcloud
  • cpe:2.3:a:nextcloud:nextcloud_enterprise_server:*:*:*:*:*:*:*:* Versions before 22.2.10; 23.0.0 to before 23.0.10; 24.0.0 to before 24.0.6 Vulnerable ·nextcloud
  • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* Versions before 23.0.10; 24.0.0 to before 24.0.6 Vulnerable ·nextcloud

Remediation

  • Fix · CNA security-advisories (nextcloud) Fixed in 23.0.9, 24.0.5, 22.2.10

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-39330

References

Patch 1

Advisory 2

  • TI-2022-18738 Exception logging in Sharepoint app reveals clear-text connection details CVSS 3.1MEDIUM 6.5
  • TI-2022-16497 Authentication headers exposed on by Nextcloud Server CVSS 3.1HIGH 7.5
  • TI-2022-18721 Missing length validation of user displayname in nextcloud server CVSS 3.1MEDIUM 6.5
  • TI-2022-18705 Profile of disabled user stays accessible CVSS 3.1MEDIUM 5.3
  • TI-2022-18590 Server-Side Request Forgery (SSRF) via potential filter bypass in Nextcloud Server CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences