CVE & CISA-KEV Catalog

CVE-2021-30602

HIGHEPSS 80th pctl
8.8
CVSS v3
NVD

Description

Use after free in WebRTC in Google Chrome prior to 92.0.4515.159 allowed an attacker who convinced a user to visit a malicious website to potentially exploit heap corruption via a crafted HTML page.

CWE-416Use After Free

How to fix

Remediation Available
chromiumDebian
Fixed in:93.0.4577.82-1CVE-2021-30602
Fixed in:93.0.4577.82-1CVE-2021-30602
Fixed in:93.0.4577.82-1CVE-2021-30602
Fixed in:93.0.4577.82-1CVE-2021-30602
Google ChromeWindows application
Affected:92.0.4515.159Fixed in:92.0.4515.159Google LLC
Google Chrome (EXE)Windows application
Affected:92.0.4515.159Fixed in:92.0.4515.159Google LLC
Google Chrome BetaWindows application
Affected:92.0.4515.159Fixed in:92.0.4515.159Google LLC
Google Chrome Beta (EXE)Windows application
Affected:92.0.4515.159Fixed in:92.0.4515.159Google LLC
Google Chrome CanaryWindows application
Affected:92.0.4515.159Fixed in:92.0.4515.159Google LLC
Google Chrome DevWindows application
Affected:92.0.4515.159Fixed in:92.0.4515.159Google LLC
Google Chrome Dev (EXE)Windows application
Affected:92.0.4515.159Fixed in:92.0.4515.159Google LLC

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

2.12%probability of exploitation in 30 days
80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Patch1

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2019-0708Critical9.8100%KEV + Ransom-
CVE-2021-31166Critical9.8100%KEVFix
CVE-2015-5119Critical9.899%KEV-
CVE-2010-3962High8.197%KEV-
CVE-2015-0313Critical9.896%KEVFix
CVE-2017-9798High7.595%-Fix
Embed a live status badge for CVE-2021-30602
CVE-2021-30602 severity badge

Markdown

[![CVE-2021-30602](https://tridentstack.com/cve/badge/CVE-2021-30602.svg)](https://tridentstack.com/cve/CVE-2021-30602)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-30602"><img src="https://tridentstack.com/cve/badge/CVE-2021-30602.svg" alt="CVE-2021-30602"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.