CVE-2023-22471

Nextcloud Deck vulnerable to authorization bypass

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Broken access control allows a user to delete attachments of other users. There are currently no known workarounds. It is recommended that the Nextcloud Deck app is upgraded to 1.6.5 or 1.7.3 or 1.8.2.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2022-12-29 CVE Reserved
2023-01-14 CVE Published
2025-03-10 CVE Updated
2025-04-15 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-639: Authorization Bypass Through User-Controlled Key

CAPEC

References (2)

URL	Tag	Source
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2vw5-pfg6-3wm6	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/nextcloud/deck/pull/4173	2023-01-24

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Nextcloud Search vendor "Nextcloud"		Deck Search vendor "Nextcloud" for product "Deck"				< 1.6.5 Search vendor "Nextcloud" for product "Deck" and version " < 1.6.5"		-		Affected
Nextcloud Search vendor "Nextcloud"		Deck Search vendor "Nextcloud" for product "Deck"				>= 1.7.0 < 1.7.3 Search vendor "Nextcloud" for product "Deck" and version " >= 1.7.0 < 1.7.3"		-		Affected
Nextcloud Search vendor "Nextcloud"		Deck Search vendor "Nextcloud" for product "Deck"				>= 1.8.0 < 1.8.2 Search vendor "Nextcloud" for product "Deck" and version " >= 1.8.0 < 1.8.2"		-		Affected