CVE-2021-38000

MEDIUM
6.1
CVSS Score
Published: November 23, 2021 at 09:30 PM UTC
Updated: June 17, 2026 at 04:01 AM UTC
4 products affected across 3 vendorsDebian LinuxAndroidChrome

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Severity
MEDIUM6.1
Exploitation
CISA KEV
Exploit prediction
EPSS 5%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score4.9%

EPSS (Exploit Prediction Scoring System) estimates a 4.9% chance this CVE is exploited in the wild within the next 30 days — higher than 92% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Google Chromium Intents contains an improper input validation vulnerability that allows a remote attacker to arbitrarily browser to a malicious URL via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
Nov 3, 2021
Remediation Due
Nov 17, 2021
1809 days overdue

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
v < 95.0.4638.69
Affected range stops below 95.0.4638.69, so it looks safe — our inference, not a vendor statement
google-android (environment)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCActiveNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-601CWE-20

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