Cyber Resilience

CVE-2021-33970

CriticalPublic PoC

Published: 19 April 2023

Published
19 April 2023
Modified
05 February 2025
KEV Added
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Patch
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CVSS Score v3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0182 83.3th percentile
Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-33970 is a critical-severity Type Confusion (CWE-843) vulnerability in Browser.360 Chrome. Its CVSS base score is 10.0 (Critical).

Operationally, ranked in the top 16.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Buffer Overflow vulnerability in Qihoo 360 Chrome v13.0.2170.0 allows attacker to escalate priveleges.

CWE(s)
CWE-843

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

browser.360
chrome
13.0.2170.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References