CVE-2021-21186

medium

Description

Insufficient policy enforcement in QR scanning in Google Chrome on iOS prior to 89.0.4389.72 allowed an attacker who convinced the user to scan a QR code to bypass navigation restrictions via a crafted QR code.

References

https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html

https://crbug.com/1153445

https://lists.fedoraproject.org/archives/list/[email protected]/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/

https://lists.fedoraproject.org/archives/list/[email protected]/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/

https://lists.fedoraproject.org/archives/list/[email protected]/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/

https://www.debian.org/security/2021/dsa-4886

https://security.gentoo.org/glsa/202104-08

Details

Source: MITRE

Published: 2021-03-09

Updated: 2021-12-03

Type: CWE-863

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 4.3

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

Impact Score: 1.4

Exploitability Score: 2.8

Severity: MEDIUM