CVE-2021-22921

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

12/07/2021

Last modified:

06/04/2022

Description

Node.js before 16.4.1, 14.17.2, and 12.22.2 is vulnerable to local privilege escalation attacks under certain conditions on Windows platforms. More specifically, improper configuration of permissions in the installation directory allows an attacker to perform two different escalation attacks: PATH and DLL hijacking.

Impact

Vector 3.x

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

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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

Base Score 3.x

7.80

Severity 3.x

HIGH

Vector 2.0

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

Base Score: 4.40 MEDIUM
Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0

4.40

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:nodejs:node.js:::::lts:::*	12.0.0 (including)	12.22.2 (excluding)
cpe:2.3:a:nodejs:node.js:::::lts:::*	14.0.0 (including)	14.17.2 (excluding)
cpe:2.3:a:nodejs:node.js:::::lts:::*	16.0.0 (including)	16.4.1 (excluding)
cpe:2.3:o:microsoft:windows:-:::::::*
cpe:2.3:a:siemens:sinec_infrastructure_network_services::::::::		1.0.1.1 (excluding)

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

CVE-2021-22921

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools