CVE-2021-21224 vulnerability in Google and Other Products
Published on April 26, 2021
Known Exploited Vulnerability
This Chromium V8 JavaScript Engine Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2021-21224 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an Object Type Confusion Vulnerability?
The program allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
CVE-2021-21224 has been classified to as an Object Type Confusion vulnerability or weakness.
Products Associated with CVE-2021-21224
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Affected Versions
Google Chrome:- Version unspecified and below 90.0.4430.85 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.