CVE Vulnerabilities

CVE-2020-7703

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

Published: Aug 17, 2020 | Modified: Jun 17, 2026
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

All versions of package nis-utils are vulnerable to Prototype Pollution via the setValue function.

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

NameVendorStart VersionEnd Version
Nis-utilsNis-utils_project- (including)- (including)

Potential Mitigations

References