CVE-2021-22906

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-22906
Nextcloud End-to-End Encryption before 1.5.3, 1.6.3 and 1.7.1 suffers from a denial of service vulnerability due to permitting any authenticated users to lock files of other users.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3829-45wm-ww36 Third Party Advisory
https://hackerone.com/reports/1189174 Exploit Issue Tracking Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3829-45wm-ww36 Third Party Advisory
https://hackerone.com/reports/1189174 Exploit Issue Tracking Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:nextcloud:end-to-end_encryption:*:*:*:*:*:*:*:*
cpe:2.3:a:nextcloud:end-to-end_encryption:*:*:*:*:*:*:*:*
cpe:2.3:a:nextcloud:end-to-end_encryption:*:*:*:*:*:*:*:*
History

21 Nov 2024, 05:50

Type Values Removed Values Added
References () https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3829-45wm-ww36 - Third Party Advisory () https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3829-45wm-ww36 - Third Party Advisory
References () https://hackerone.com/reports/1189174 - Exploit, Issue Tracking, Third Party Advisory () https://hackerone.com/reports/1189174 - Exploit, Issue Tracking, Third Party Advisory

25 Oct 2022, 23:42

Type Values Removed Values Added
CWE CWE-400 CWE-639

22 Jun 2021, 19:12

Type Values Removed Values Added
CPE cpe:2.3:a:nextcloud:end-to-end_encryption:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 4.0
v3 : 6.5
CWE CWE-400
References (MISC) https://hackerone.com/reports/1189174 - (MISC) https://hackerone.com/reports/1189174 - Exploit, Issue Tracking, Third Party Advisory
References (MISC) https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3829-45wm-ww36 - (MISC) https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3829-45wm-ww36 - Third Party Advisory

11 Jun 2021, 17:18

Type Values Removed Values Added
New CVE
Information

Published : 2021-06-11 16:15

Updated : 2024-11-21 05:50

NVD link : CVE-2021-22906

Mitre link : CVE-2021-22906

CVE.ORG link : CVE-2021-22906

JSON object : View

Products Affected

nextcloud

  • end-to-end_encryption
CWE
CWE-400

Uncontrolled Resource Consumption

CWE-639

Authorization Bypass Through User-Controlled Key