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CVE-2021-4221
DEB
Medium

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 conf…

CVSS
4.3
Medium
EPSS
0.00
p32
Published
2021-01-01
Updated
2021-01-01
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.

Tags · CWE
Pre-auth
CWE-1007
CAPEC-632
Affected products
FirefoxFirefoxFirefoxFirefoxFirefoxFirefoxFirefoxFirefox
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Timeline
2021-01-01
Published
2021-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: R
Required (R)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: N
None (N)
Integrity Impact
I: L
Low (L)
Availability Impact
A: N
None (N)
Exploit indicators
EPSS
0.004 · p32
Known exploited (KEV)
No
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected products
ProductVendorStatus
firefoxTracked
firefoxTracked
firefoxTracked
firefoxTracked
firefoxTracked
firefoxTracked
firefoxTracked
firefox*Tracked
Source databases
DEB
CVE
UBU