CVE-2021-39225

Nextcloud is an open-source, self-hosted productivity platform. A missing permission check in Nextcloud Deck before 1.2.9, 1.4.5 and 1.5.3 allows another authenticated users to access Deck cards of another user. It is recommended that the Nextcloud Deck App is upgraded to 1.2.9, 1.4.5 or 1.5.3. There are no known workarounds aside from upgrading.

CVSS v3 8.1 HIGH
CVSS v2.0 5.5 MEDIUM

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:N

Exploitability : 8.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/nextcloud/deck/pull/3316	Patch Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2x96-38qg-3m72	Third Party Advisory
https://hackerone.com/reports/1331728	Permissions Required Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:deck::::::::
	cpe:2.3:a:nextcloud:deck::::::::
	cpe:2.3:a:nextcloud:deck::::::::

History

No history.

Information

Published : 2021-10-25 22:15

Updated : 2022-04-25 18:02

NVD link : CVE-2021-39225

Mitre link : CVE-2021-39225

CVE.ORG link : CVE-2021-39225

JSON object : View

Products Affected

nextcloud

deck

CWE

CWE-862

Missing Authorization

CWE-639

Authorization Bypass Through User-Controlled Key

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