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KEV · Actively exploited

CVE-2021-21193

CVE-2021-21193 is actively exploited (CISA KEV catalog) : high severity (CVSS 8.8), 2 tracked apps concerned, none still exposed on their current version.

Severity (CVSS)
8.8

NVD scale

Exploitation
Confirmed

CISA KEV · EPSS predicts 9.9 %

Tracked apps
2
Still exposed
0

Use after free in Blink in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Attack vector : Network No privileges required
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS 9.87% predictive model; CISA confirms active exploitation percentile 95.2%

CISA Known Exploited Vulnerability

Added to KEV
2021-11-03
Remediation deadline
2021-11-17
Required action
Apply updates per vendor instructions.
Ransomware
Unknown (not documented by CISA)

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

  • Chrome macOS com.google.Chrome
    Affected <89.0.4389.90 Fixed in 89.0.4389.90 Latest tracked - undetermined
  • Google Chrome Windows winget:Google.Chrome
    Affected <89.0.4389.90 Fixed in 89.0.4389.90 Latest tracked 152.0.7977.65 patched
Vulnerable CPE configurations (2)
Vendor Product Versions
google chrome
All platforms (wildcard)
 <89.0.4389.90
google chrome
All platforms (wildcard)
 <89.0.4389.90
View on NVD ↗ CISA KEV catalog ↗