Vulnerability Report

CVE-2021-39225

Title: Nextcloud Deck Broken Access Control

Broken Access Control

Proof Of Concept

No public PoC currently indexed for CVE-2021-39225.

CWE Category CWE-862
Published Date Oct 25, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 8.1 CVSS v3.1
Exploit Probability (EPSS)
1.34%

Vulnerability Summary

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.

Impacted Vendors

N
nextcloud 1

Reference Links

https://github.com/nextcloud/deck/pull/3316 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2x96-38qg-3m72 https://hackerone.com/reports/1331728 https://github.com/nextcloud/deck/pull/3316 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2x96-38qg-3m72 https://hackerone.com/reports/1331728
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.1
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.1
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:S/C:P/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-39225 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected Stack

No specific products linked.