CVE-2021-21208

MEDIUM
6.5
CVSS Score
Published: April 26, 2021 at 04:25 PM UTC
Updated: June 17, 2026 at 03:35 AM UTC
3 products affected across 3 vendorsDebian LinuxChromeFedora

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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%

Description

Insufficient data validation in QR scanner in Google Chrome on iOS prior to 90.0.4430.72 allowed an attacker displaying a QR code to perform domain spoofing via a crafted QR code.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 90.0.4430.72
Affected range stops below 90.0.4430.72, so it looks safe — our inference, not a vendor statement

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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