CVE-2021-30531 Security feature bypass in Chrome

Medium 6.5 Published Updated

Remote attackers can bypass Content Security Policy in Google Chrome via crafted HTML pages, requiring users to upgrade to a patched version.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2021-30531?

CVE-2021-30531 is a medium-severity vulnerability in Fedoraproject Fedora, published on 7 Jun 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Insufficient policy enforcement in Content Security Policy in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page.

Which versions are affected by CVE-2021-30531?

It affects 2 products.

Products include Fedoraproject Fedora, Google Chrome.

How do I fix CVE-2021-30531?

Upgrade to a fixed version.

Is CVE-2021-30531 being exploited?

There is no known exploitation of CVE-2021-30531 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as CLEANSTART-2024-MU24311, DEBIAN-CVE-2021-30531, GHSA-qvm2-gfgr-c2h6, UBUNTU-CVE-2021-30531.

Is CVE-2021-30531 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free