CVE-2021-23470 HIGH

CVE-2021-23470: Prototype Pollution

Vendor N/A
Product putil-merge
Published February 4, 2022
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

This affects the package putil-merge before 3.8.0. The merge() function does not check the values passed into the argument. An attacker can supply a malicious value by adjusting the value to include the constructor property. Note: This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-PUTILMERGE-1317077

Key dates

02Disclosure timeline

February 4, 2022 CVE published
September 16, 2024 Record updated