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Known exploited vulnerability

CVE-2021-38000

mediumCVSS 3.1 6.1In CISA KEVEPSS 4.9%Published · Google

The short answer

CVE-2021-38000 affects Google Chrome and is rated medium (CVSS 6.1). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03: attackers are using it, so patch it first.

What it is

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.

Weakness: CWE-601, CWE-20.

Severity

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploited (CISA KEV)

Yes, since Nov 3, 2021

Federal due date Nov 17, 2021

EPSS, next 30 days

4.9%

Higher than 92% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

What CISA says to do

Apply updates per vendor instructions.

Affected products

Chrome, chrome, android. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2021-38000 being exploited?

Yes. CISA added CVE-2021-38000 to its Known Exploited Vulnerabilities catalog on 2021-11-03, with a federal remediation due date of 2021-11-17.

How do I fix CVE-2021-38000?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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