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CVE-2021-22921

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Date: July 12, 2021

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.

Language: JS

Severity Score

Related Resources (8)

https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/
https://hackerone.com/reports/1211160
https://security.netapp.com/advisory/ntap-20210805-0003/
https://security.archlinux.org/CVE-2021-22921
https://github.com/nodejs/node/commit/c6b08f1d04bb3dd0db8e08e261293e4095934f47
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
https://nvd.nist.gov/vuln/detail/CVE-2021-22921
https://www.mend.io/vulnerability-database/CVE-2021-22921

Severity Score

Weakness Type (CWE)

Incorrect Permission Assignment for Critical Resource

CWE-732

Top Fix

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Upgrade Version

Upgrade to version v12.22.2, v14.17.2, v16.4.1

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CVSS v3.1

Base Score:
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

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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