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CRITICAL

CVE-2021-33970

CVSS v3

10

CRITICAL

EPSS Score

3.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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

Technical details

Published
2023-04-19

Frequently asked questions

What is CVE-2021-33970?

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

Is CVE-2021-33970 actively exploited?

Active exploitation of CVE-2021-33970 has not been confirmed. Its EPSS score was 3.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-33970?

CVE-2021-33970 has a CVSS v3 base score of 10 (CRITICAL severity).

Is CVE-2021-33970 affecting your environment?

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