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.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

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

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://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

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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::::::::

Information

Published : 2021-06-11 09:15

Updated : 2022-10-25 16:42

NVD link : CVE-2021-22906

Mitre link : CVE-2021-22906

JSON object : View

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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Products Affected

nextcloud

end-to-end_encryption

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