Spoofing attack in Google Chromium - CVE-2021-30621

Vulnerability identifier: #VU56216

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-30621

CWE-ID: CWE-451

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in Autofill in Google Chrome. A remote attacker can spoof page content.

Google Chromium
Google Chrome
Microsoft Edge
Gentoo Linux
Fedora
chromium

Update to version 93.0.4577.63.

Google Chromium - update to 93.0.4577.63
Google Chrome - update to 93.0.4577.63
Microsoft Edge - update to 93.0.961.38
chromium - addressed in versions 93.0.4577.63-1.el8, 93.0.4577.63-1.fc33, 93.0.4577.63-1.fc34, 93.0.4577.63-1.fc35

• https://chromereleases.googleblog.com/2021/08/stable-channel-update-for-desktop_31.html
• https://crbug.com/1204722

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Gentoo update for Chromium, Google Chrome
• Fedora 33 update for chromium
• Fedora 35 update for chromium
• Fedora 34 update for chromium
• Fedora EPEL 8 update for chromium