Detections
Analytics

CVE-2021-23442

critical

Description

This affects all versions of package @cookiex/deep. The global proto object can be polluted using the __proto__ object.

References

https://github.com/tony-tsx/cookiex-deep/issues/1

https://github.com/tony-tsx/cookiex-deep/commit/b5bea2b7f34a5fa9abb4446cbd038ecdbcd09c88

https://snyk.io/vuln/SNYK-JS-COOKIEXDEEP-1582793

Details

Source: Mitre, NVD

Published: 2021-09-17

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

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

Severity: Critical

EPSS

EPSS: 0.005