10

CVE-2021-33970: browser.360 chrome Type Confusion

CVSS: 10.0v3.1CriticalModified
Published 19-04-2023Last modified 05-02-2025

Vulnerability summary

CVE-2021-33970 is a critical (CVSS 10.0) Type Confusion vulnerability in browser.360 chrome. EPSS estimates a 3.09% chance of exploitation in the next 30 days, higher than 87.5% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
90/100
0100
Critical · default modelHow is this calculated?
CVSS score
10.0/10
010
Critical · v3.1 (CVE.org)
EPSS score
3.09%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 19-04-2023
    PublishedVulnerability first disclosed.
  2. 05-02-2025
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

3.09%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.09% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.09%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (youtube.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (pastebin.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Browser.3601 product

1 vendor · 1 product

References

3 links