CVE-2020-16013KEV · OVERDUE

Google Chromium V8 Incorrect Implementation Vulnerabililty

High · published January 8, 2021

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 86.2th percentile for exploit probability.

1635
days past CISA
deadline
CVSS v3.1
8.8
EPSS
3%
Percentile
86.2
In the wild
Confirmed
What it is

⚡ A crafty crafted HTML page is all it takes to expose a serious heap corruption vulnerability in Google Chrome! 🚨 Think of V8 in Chrome like a high-speed train. It runs smoothly until someone sabotages the tracks with a poorly placed object, causing a derailment — that’s what this vulnerability does to your browser’s memory! An attacker could potentially exploit this flaw, allowing them to manipulate memory allocation, access sensitive data, or even execute arbitrary code on your machine. The consequences could be absolutely devastating, leading to data breaches or full system compromise!

Put simply

Think of V8 in Chrome like a high-speed train. It runs smoothly until someone sabotages the tracks with a poorly placed object, causing a derailment — that’s what this vulnerability does to your browser’s memory! CVE-2020-16013 arises from an inappropriate implementation in the V8 JavaScript engine, where a crafted HTML page can cause heap corruption, enabling a remote attacker to exploit this flaw to execute harmful scripts.

What to do

An attacker could potentially exploit this flaw, allowing them to manipulate memory allocation, access sensitive data, or even execute arbitrary code on your machine. The consequences could be absolutely devastating, leading to data breaches or full system compromise! Update Google Chrome immediately to version 86.0.4240.198 or later to close this vulnerability. Make sure to enable automatic updates so you’re always protected against these kinds of exploits! You've got this! Stay vigilant and keep your browser up to date. 🛡️

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
0.02756 · 86.2th percentile
Published
2021-01-08T17:47Z
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
  • 08 JAN 17:47Z
    Inappropriate implementation in V8 in Google Chrome prior to 86.0.4240.198 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML…
    cvelistv5