// For flags

CVE-2021-39225

Missing permission check on Deck API

Severity Score

8.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Nextcloud es una plataforma de productividad de código abierto y auto-alojada. Una falta de comprobación de permisos en Nextcloud Deck versiones anteriores a 1.2.9, 1.4.5 y 1.5.3, permitía a otro usuario autenticado acceder a las tarjetas de Deck de otro usuario. Es recomendado actualizar la aplicación Nextcloud Deck a las versiones 1.2.9, 1.4.5 o 1.5.3. No se presentan soluciones conocidas aparte de la actualización

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-08-16 CVE Reserved
  • 2021-10-25 CVE Published
  • 2023-05-18 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-639: Authorization Bypass Through User-Controlled Key
  • CWE-862: Missing Authorization
CAPEC
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"
 < 1.2.9
Search vendor "Nextcloud" for product "Deck" and version " < 1.2.9"
-
Affected
Nextcloud
Search vendor "Nextcloud"
 Deck
Search vendor "Nextcloud" for product "Deck"
 >= 1.3.0 < 1.4.5
Search vendor "Nextcloud" for product "Deck" and version " >= 1.3.0 < 1.4.5"
-
Affected
Nextcloud
Search vendor "Nextcloud"
 Deck
Search vendor "Nextcloud" for product "Deck"
 >= 1.5.0 < 1.5.3
Search vendor "Nextcloud" for product "Deck" and version " >= 1.5.0 < 1.5.3"
-
Affected