CVE-2021-38000: Google Chromium Intents Improper Input Validation Vulnerability

CVE-2021-38000 · Severity: critical · CVSS 6.1 · Exploited in the wild · Published 2021-11-03

Google Chromium Intents contains an improper input validation vulnerability that allows a remote attacker to arbitrarily browse to a malicious URL via a crafted HTML page. This issue stems from insufficient validation of untrusted input in Intents on Android versions of the browser.

Vendors: Google.

Quick answers

Is CVE-2021-38000 exploited in the wild?
Yes. CVE-2021-38000 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2021-38000?
Critical severity, with a CVSS score of 6.1, published 3 November 2021.
Which products and versions are affected?
Google Chrome prior to 95.0.4638.69; Microsoft Edge; Opera Software Opera.
Is there a fix for CVE-2021-38000?
A patch was published on 2021-10-28: Stable channel update for desktop 95.0.4638.69 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2021-38000 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2021-38000?
Check whether you run Google Chromium Intents. 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 95.0.4638.69
  • Microsoft Edge
  • Opera Software Opera

Timeline

  • 2021-10-28: patched: Stable channel update for desktop 95.0.4638.69
  • 2021-11-03: disclosed: Published in NVD and added to CISA KEV
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-03: exploited: Reported as exploited in the wild in CISA KEV catalog

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