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CVE-2021-4221

MEDIUM

4.3

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.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published12/22/2022

Last Modified4/16/2025

Sourcenvd

Honeypot Sightings0

Affected Products

google:androidmozilla:firefox

Weaknesses (CWE)

CWE-1007

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1704422(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2021-38/(security@mozilla.org)

https://bugzilla.mozilla.org/show_bug.cgi?id=1704422(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2021-38/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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