CVE-2021-32653

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

01/06/2021

Last modified:

26/10/2022

Description

Nextcloud Server is a Nextcloud package that handles data storage. Nextcloud Server versions prior to 19.0.11, 20.0.10, or 21.0.2 send user IDs to the lookup server even if the user has no fields set to published. The vulnerability is patched in versions 19.0.11, 20.0.10, and 21.0.2; no workarounds outside the updates are known to exist.

Impact

Vector 3.x

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

Base Score: 2.70 LOW
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

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

Base Score 3.x

2.70

Severity 3.x

LOW

Vector 2.0

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

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

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

Base Score 2.0

4.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:nextcloud:nextcloud_server::::::::		19.0.11 (excluding)
cpe:2.3:a:nextcloud:nextcloud_server::::::::	20.0.0 (including)	20.0.10 (excluding)
cpe:2.3:a:nextcloud:nextcloud_server::::::::	21.0.0 (including)	21.0.2 (excluding)

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

CVE-2021-32653

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools