CVE-2021-30551
HighPublished
Google Chromium V8 Type Confusion Vulnerability
- Published
- Jun 15, 2021
- Updated
- Oct 21, 2025
- Assigning CNA
- Chrome
- Evidence observed
- Nov 3, 2021
Primary CVSS
8.8/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H64.7%
High · next 30 days
- Percentile
- 99.2%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Sources
1- CVE-2021-30551Exploit
my exp for chrome V8 CVE-2021-30551
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.