VULNERABILITY INTELLIGENCE

CVE-2020-7765

CVSS score5.6 MEDIUM
EPSS probability0.57%
CISA KEVNot currently listed
Published2020-11-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Description

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.

Primary references