CVE-2020-16009KEV · OVERDUE

Google Chromium V8 Type Confusion Vulnerability

High · published November 3, 2020

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.8. It is confirmed in active exploitation. It sits in the 98.9th percentile for exploit probability.

1634
days past CISA
deadline
CVSS v3.1
8.8
EPSS
48%
Percentile
98.9
In the wild
Confirmed
What it is

🚨 A single crafted HTML page is all it takes to unleash chaos! This vulnerability in Google Chrome's V8 engine allows heap corruption, putting your data at serious risk. ⚡ Think of it like a restaurant where a chef accidentally mixes a dangerous ingredient into a popular dish without realizing it—anyone who orders that dish could end up in a world of hurt! An attacker could exploit this flaw to manipulate memory and potentially execute malicious code, leading to data breaches or even complete system compromise. It's like leaving the front door wide open for unwanted guests—once they're in, they can wreak havoc!

Put simply

Think of it like a restaurant where a chef accidentally mixes a dangerous ingredient into a popular dish without realizing it—anyone who orders that dish could end up in a world of hurt! This vulnerability stems from an inappropriate implementation in the V8 engine of Google Chrome, allowing heap corruption via a specially crafted HTML page. This means that an attacker can leverage memory management flaws to execute arbitrary code remotely.

What to do

An attacker could exploit this flaw to manipulate memory and potentially execute malicious code, leading to data breaches or even complete system compromise. It's like leaving the front door wide open for unwanted guests—once they're in, they can wreak havoc! Update Google Chrome immediately to version 86.0.4240.183 or later to patch this vulnerability. Encourage all users in your environment to perform the update as well, as this is a critical fix! You've got this! Stay proactive, and your defenses will be as solid as a rock! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.48293 · 98.9th percentile
Published
2020-11-03T02:21Z
KEV added
2021-11-03 · due 2022-05-03
EPSS history
Timeline
  • 03 NOV 00:00Z
    Added to CISA KEV — remediate by May 3
    kev
  • 03 NOV 02:21Z
    Inappropriate implementation in V8 in Google Chrome prior to 86.0.4240.183 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML…
    cvelistv5