CVE-2021-30551

HIGHCISA KEV

Google Chromium V8 Type Confusion Vulnerability

Title source: CISA
Search associated code STIX 2.1 vulnerability STIX 2.1 with PoCs

Record summary

CVE-2021-30551 has a selected CVSS score of 8.8 (high); EIP currently links 1 repository PoC. CISA lists CVE-2021-30551 in KEV.

Description

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.

Description source: CVE List

Exploitation context

Known exploitation

CISA KEV
Listed · Nov 3, 2021 · CISA
VulnCheck KEV
Listed · Jun 3, 2021 · VulnCheck
Reported exploitation
Observed · VulnCheck

Available material

Repository PoCs
1

CISA SSVC decision

ExploitationActive
AutomatableNo
Technical impactTotal

CISA Coordinator · SSVC 2.0.3 · Evaluated Jan 29, 2025 · Source: CVE List

Affected products and versions

2
ProductSourceVersion range

Chrome

Browse Google / Chrome
CVE ListBefore 91.0.4472.101affected

Chromium V8

Browse Google / Chromium V8
CISAVersion data not supplied

Proofs of concept

1

Repository PoCs

GitHubxmzyshypnc/CVE-2021-30551Repository PoCby xmzyshypnc24Not analyzed3 files

199.7 KiB

GitHub
PoC details

References

10