CVE-2021-39225 Missing permission check on Deck API

2021-10-2521:40:11

CWE-639

GitHub_M

www.cve.org

cve-2021-39225

nextcloud

deck api

unauthorized access

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

AI Score

8.1

Confidence

High

EPSS

0.001

Percentile

43.0%

JSON

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.

CNA Affected

[
  {
    "product": "security-advisories",
    "vendor": "nextcloud",
    "versions": [
      {
        "status": "affected",
        "version": "< 1.2.9"
      },
      {
        "status": "affected",
        "version": ">= 1.4.0, < 1.4.5"
      },
      {
        "status": "affected",
        "version": ">= 1.5.0, < 1.5.3"
      }
    ]
  }
]