CVE-2021-38000

MEDIUMNVD 6.19.0▲Trending — 5 sources updated this weekExploited in the wild

6.1

Insufficient validation of untrusted input in Intents in Google Chrome on Android prior to 95.0.4638.69 allowed a remote attacker to arbitrarily browser to a malicious URL via a crafted HTML page.

CVSS v3: 6.1
EG Score: 9.0(high)
EPSS: 88.9%
KEV: ⚠ Exploited

Published

November 23, 2021

Last Modified

October 24, 2025

References (9)

chrome-cve-admin@googlehttps://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.html
chrome-cve-admin@googlehttps://crbug.com/1249962
chrome-cve-admin@googlehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/
chrome-cve-admin@googlehttps://www.debian.org/security/2022/dsa-5046
af854a3a-2127-422b-91ae-364da2661108https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.html
af854a3a-2127-422b-91ae-364da2661108https://crbug.com/1249962
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5046
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38000

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Microsoft MSRCCVE-2021-380002021-10-29
Chromium: CVE-2021-38000 Insufficient validation of untrusted input in Intents

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 05:09 UTCEG score recompute
2026-06-04 05:09 UTCVendor advisory
2026-06-04 05:09 UTCGHSA enrichment
2026-06-04 01:05 UTCEG score recompute
2026-06-04 01:05 UTCVendor advisory
2026-06-04 01:05 UTCGHSA enrichment
2026-06-03 21:01 UTCEG score recompute
2026-06-03 21:01 UTCVendor advisory
2026-06-03 21:01 UTCGHSA enrichment
2026-06-03 19:09 UTCkev_newly_listed
2026-06-03 16:57 UTCEG score recompute
2026-06-03 16:57 UTCVendor advisory
2026-06-03 16:57 UTCGHSA enrichment
2026-06-03 12:53 UTCEG score recompute
2026-06-03 12:53 UTCVendor advisory
2026-06-03 12:53 UTCGHSA enrichment
2026-06-03 08:49 UTCEG score recompute
2026-06-03 08:49 UTCVendor advisory
2026-06-03 08:49 UTCGHSA enrichment
2026-06-03 04:45 UTCEG score recompute

Frequently asked(6)

What is CVE-2021-38000?

CVE-2021-38000 is a medium vulnerability published on November 23, 2021. Insufficient validation of untrusted input in Intents in Google Chrome on Android prior to 95.0.4638.69 allowed a remote attacker to arbitrarily browser to a malicious URL via a crafted HTML page.

When was CVE-2021-38000 disclosed?

CVE-2021-38000 was first published in the National Vulnerability Database on November 23, 2021, with the most recent update on October 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-38000 actively exploited?

Yes. CISA added CVE-2021-38000 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Google Chromium Intents. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2021-38000?

CVE-2021-38000 has a CVSS v3 base score of 6.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

Which products are affected by CVE-2021-38000?

CVE-2021-38000 affects Google Chromium Intents. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2021-38000?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-38000, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-38000

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CVE-2021-38000

Published

Last Modified

References (9)

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-38000?

Same vendor

Same CWE

CVE-2021-38000

📅 Published

🔄 Last Modified

🔗 References (9)

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-38000?

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References (9)

Frequently asked(6)

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