TI-2023-08719 Aliases CVE-2023-22470

Nextcloud Deck vulnerable to uncontrolled resource consumption

LOW 30CWE-400Published 2023-01-14 · Updated 2025-03-10

Key facts

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

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

Summary

Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. A database error can be generated potentially causing a DoS when performed multiple times. There are currently no known workarounds. It is recommended that the Nextcloud Server is upgraded to 1.6.5 or 1.7.3 or 1.8.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00694 53rd percentileScored 2026-11-07

Fix Fixed security-advisories (nextcloud): 1.6.5, 1.7.3, 1.8.2

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

Vendor	Product	Affected versions	Fixed in	Status	Source
nextcloud	security-advisories	1.6.0 to before 1.6.5; 1.7.0 to before 1.7.3; 1.8.0 to before 1.8.2	1.6.5, 1.7.3, 1.8.2	Patch available	CNA

security-advisories Vendornextcloud Affected 1.6.0 to before 1.6.5; 1.7.0 to before 1.7.3; 1.8.0 to before 1.8.2 Fixed in 1.6.5, 1.7.3, 1.8.2 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:nextcloud:deck::::::::	before 1.6.5; 1.7.0 to before 1.7.3; 1.8.0 to before 1.8.2	Vulnerable	nextcloud

cpe:2.3:a:nextcloud:deck:*:*:*:*:*:*:*:* Versions before 1.6.5; 1.7.0 to before 1.7.3; 1.8.0 to before 1.8.2 Vulnerable ·nextcloud

Remediation

Fix · CNA security-advisories (nextcloud) Fixed in 1.6.5, 1.7.3, 1.8.2

Timeline

2026-10-02 Threatist record created from CVE-2023-22470
2026-10-06 EPSS moved to the 50th–90th percentile

References

Patch 1

https://github.com/nextcloud/deck/pull/4059

Advisory 1

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-93j5-wx4c-6g88

TI-2023-08718 Nextcloud Deck card vulnerable to data leak to unauthorized users via reference preview cache CVSS 3.1MEDIUM 5.8
TI-2022-11703 Possibility for anyone to add a stack with existing tasks on anyone's board in Nextcloud Deck CVSS 3.1MEDIUM 5.0
TI-2022-08716 Error in deleting deck cards attachment reveals the full application path in Nextcloud Deck CVSS 3.1MEDIUM 4.3
TI-2021-16610 Missing permission check on Deck API CVSS 3.1HIGH 8.1
TI-2020-06600 Improper access control in Nextcloud Deck CVSS 3.1HIGH 8.0
TI-2021-05774 Information disclosure in Nextcloud Deck CVSS 3.1MEDIUM 6.5

See all 16 →

Sources

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