CVE-2021-23568 Information

Description

The package extend2 before 1.0.1 are vulnerable to Prototype Pollution via the extend function due to unsafe recursive merge.

CVSS Vector

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

Reference

https://snyk.io/vuln/SNYK-JS-EXTEND2-2320315 https://github.com/eggjs/extend2/blob/master/index.js%23L50-L60 https://github.com/eggjs/extend2/pull/2 https://github.com/eggjs/extend2/commit/aa332a59116c8398976434b57ea477c6823054f8

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8