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

Source: https://junglewise.ai/threats/cve-2021-38000-google-chromium-intents-improper-input-validation-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-11-03. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/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

## Related threats

- [Google Chromium Intents Insufficient Input Validation Vulnerability](https://junglewise.ai/threats/cve-2022-2856-google-chromium-intents-insufficient-input-validation)