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CVE-2020-16009

UNKNOWN
Published 2020-11-03T02:21:47.000Z
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CVSS Score

V3.1
8.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.807
probability
of exploitation in the wild

There is a 80.7% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.991
Higher than 99.1% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

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 page.

Understanding This Vulnerability

This Common Vulnerabilities and Exposures (CVE) entry provides detailed information about a security vulnerability that has been publicly disclosed. CVEs are standardized identifiers assigned by MITRE Corporation to track and catalog security vulnerabilities across software and hardware products.

The severity rating (UNKNOWN) indicates the potential impact of this vulnerability based on the CVSS (Common Vulnerability Scoring System) framework. Higher severity ratings typically indicate vulnerabilities that could lead to more significant security breaches if exploited. Security teams should prioritize remediation efforts based on severity, exploit availability, and the EPSS (Exploit Prediction Scoring System) score, which predicts the likelihood of exploitation in the wild.

If this vulnerability affects products or systems in your infrastructure, we recommend reviewing the affected products section, checking for available patches or updates from vendors, and implementing recommended workarounds or solutions until a permanent fix is available. Organizations should also monitor security advisories and threat intelligence feeds for updates about active exploitation of this vulnerability.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

References

Known Exploited Vulnerability

This vulnerability is actively being exploited in the wild

View KEV Details

Remediation Status

Overdue

Due Date

May 3, 2022

Added to KEV

November 3, 2021

Required Action

Apply updates per vendor instructions.

Affected Product

Vendor/Project: Google
Product: Chromium V8

Ransomware Risk

Known Ransomware Use
KEV Catalog Version: 2025.01.24 Released: January 24, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

Inappropriate implementation in V8

GHSA-m7mf-48hp-5qmr

Advisory Details

CVE-2020-16009: Inappropriate implementation in V8 - https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop.html - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16009 Google is aware of reports that exploits for CVE-2020-16009 exist in the wild. Allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. There is currently little to no public information on the issue other than it has been flagged as `High` severity.

Affected Packages

NuGet CefSharp.Common
ECOSYSTEM: ≥0 <86.0.241
NuGet CefSharp.Wpf
ECOSYSTEM: ≥0 <86.0.241
NuGet CefSharp.WinForms
ECOSYSTEM: ≥0 <86.0.241
NuGet CefSharp.Wpf.HwndHost
ECOSYSTEM: ≥0 <86.0.241

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

Advisory provided by GitHub Security Advisory Database. Published: December 2, 2020, Modified: June 6, 2023

References

Published: 2020-11-03T02:21:47.000Z
Last Modified: 2025-07-28T19:48:55.410Z
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