Is CVE-2021-30554 exploited in the wild?

Yes. CVE-2021-30554 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.

How severe is CVE-2021-30554?

Critical severity, with a CVSS score of 8.8, published 3 November 2021.

Which products and versions are affected?

Google Chrome prior to 91.0.4472.114; Microsoft Edge; Opera Software Opera.

Is there a fix for CVE-2021-30554?

A patch was published on 2021-06-17: Stable channel update for desktop released. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2021-30554 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2021-30554?

Check whether you run Google Chromium Webgl. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2021-30554: Google Chromium WebGL Use-After-Free Vulnerability

CVE-2021-30554 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2021-11-03

A use-after-free vulnerability exists in the WebGL component of Google Chromium. A remote attacker can exploit this flaw via a specially crafted HTML page to cause heap corruption, potentially leading to arbitrary code execution.

Vendors: Google.

Quick answers

Is CVE-2021-30554 exploited in the wild?: Yes. CVE-2021-30554 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2021-30554?: Critical severity, with a CVSS score of 8.8, published 3 November 2021.
Which products and versions are affected?: Google Chrome prior to 91.0.4472.114; Microsoft Edge; Opera Software Opera.
Is there a fix for CVE-2021-30554?: A patch was published on 2021-06-17: Stable channel update for desktop released. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2021-30554 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2021-30554?: Check whether you run Google Chromium Webgl. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

Google Chrome prior to 91.0.4472.114
Microsoft Edge
Opera Software Opera

Timeline

2021-06-17: patched: Stable channel update for desktop released.
2021-11-03: disclosed: Vulnerability published and added to CISA KEV catalog.
2021-11-03: kev added
2021-11-03: exploited: Reported as exploited in the wild.

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