AUGUST 4, 2026
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Case File

CVE-2021-4221

MEDIUM · CVSS 4.3 EPSS 0.41%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-12-22 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-4221
Severity
MEDIUM
CVSS
4.3
EPSS
0.41%
Android Firefox

Original NVD Description

If a domain name contained a RTL character, it would cause the domain to be rendered to the right of the path. This could lead to user confusion and spoofing attacks. <br>*This bug only affects Firefox for Android. Other operating systems are unaffected.*<br>*Note*: Due to a clerical error this advisory was not included in the original announcement, and was added in Feburary 2022. This vulnerability affects Firefox < 92.