SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2021-38000

Google Chromium Intents Improper Input Validation Vulnerability

KEVMEDIUM 6.1EPSS 4.65%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 November 2021). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
4.65% probability · 91th percentile
CISA KEV
Listed 3 November 2021 · due 17 November 2021
Weakness
CWE-601, CWE-20
Affected
google/chrome · fedoraproject/fedora · debian/debian linux
Source
chrome-cve-admin@google.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2021-38000

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.