CVE-2020-7765 MEDIUM

CVE-2020-7765: Prototype Pollution

Vendor N/A
Product @firebase/util
Published November 16, 2020
Last update September 17, 2024

CVSS base score

5.6/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

This affects the package @firebase/util before 0.3.4. This vulnerability relates to the deepExtend function within the DeepCopy.ts file. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.

Key dates

02Disclosure timeline

November 16, 2020 CVE published
September 17, 2024 Record updated