CVE-2021-21186 — Incorrect Authorization in Google Chrome

CWE-863 — Incorrect Authorization7 documents7 sources
Severity
4.3MEDIUMNVD
EPSS
0.4%
top 37.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Google ChromeChromiumDebian Chromium+4 more
Timeline
PublishedMar 9
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages6 packages

▶CVEListV5google/chromeunspecified — 89.0.4389.72
▶NVDgoogle/chrome< 89.0.4389.72
▶debiandebian/chromium< chromium 89.0.4389.82-1 (bookworm)
▶Debianchromium/chromium< 89.0.4389.82-1+3

Also affects: Debian Linux 10.0, Fedora 32, 33, 34

🔴Vulnerability Details

2
GHSA
GHSA-q9x2-h7vp-cfx6: Insufficient policy enforcement in QR scanning in Google Chrome on iOS prior to 89↗2022-05-24
▶
OSV
CVE-2021-21186: Insufficient policy enforcement in QR scanning in Google Chrome on iOS prior to 89↗2021-03-09
▶

📋Vendor Advisories

3
Microsoft
Chromium CVE-2021-21186: Insufficient policy enforcement in QR scanning↗2021-03-09
▶
Chrome
Stable Channel Update for Desktop: CVE-2021-21185↗2021-03-02
▶
Debian
CVE-2021-21186: chromium - Insufficient policy enforcement in QR scanning in Google Chrome on iOS prior to ...↗2021
▶

💬Community

1
Bugzilla
QR code 'javascript://' schemes allow same-origin policy violations↗2020-08-16
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