CVE-2021-22906

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

11/06/2021

Last modified:

25/10/2022

Description

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

6.50

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:L/Au:S/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.00 MEDIUM
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

4.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:nextcloud:end-to-end_encryption::::::::		1.5.3 (excluding)
cpe:2.3:a:nextcloud:end-to-end_encryption::::::::	1.6.0 (including)	1.6.3 (excluding)
cpe:2.3:a:nextcloud:end-to-end_encryption::::::::	1.7.0 (including)	1.7.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-22906

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools