CVE Vulnerabilities

CVE-2021-25941

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Published: May 14, 2021 | Modified: Apr 30, 2025
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

Prototype pollution vulnerability in deep-override versions 1.0.0 through 1.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.

Weakness

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

Affected Software

Name Vendor Start Version End Version
Deep-override Deep-override_project 1.0.0 (including) 1.0.2 (excluding)

Potential Mitigations

References