CVE-2021-23452

critical
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

This affects all versions of package x-assign. The global proto object can be polluted using the __proto__ object.

References

https://snyk.io/vuln/SNYK-JS-XASSIGN-1759314

https://runkit.com/embed/sq8qjwemyn8t

Details

Source: MITRE

Published: 2021-10-20

Updated: 2021-10-25

Type: CWE-915

Risk Information

CVSS v2

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:binaryops:x-assign:*:*:*:*:*:node.js:*:* versions up to 0.1.4 (inclusive)