CVE-2021-24001

MEDIUM

Mozilla Firefox < 88.0 - Exposure to Wrong Actor

Title source: rule

Description

A compromised content process could have performed session history manipulations it should not have been able to due to testing infrastructure that was not restricted to testing-only configurations. This vulnerability affects Firefox < 88.

Scores

CVSS v3 4.3
EPSS 0.0027
EPSS Percentile 50.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Classification

CWE
CWE-668
Status published

Affected Products (1)

mozilla/firefox < 88.0

Timeline

Published Jun 24, 2021
Tracked Since Feb 18, 2026