CVE-2021-33975: browser.360 safe_browser Classic Buffer Overflow
CVSS: 10.0v3.1CriticalModified
Published 19-04-2023Last modified 05-02-2025
Vulnerability summary
CVE-2021-33975 is a critical (CVSS 10.0) Classic Buffer Overflow vulnerability in browser.360 safe_browser. EPSS estimates a 1.37% chance of exploitation in the next 30 days, higher than 71.6% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
10.0/10
010
Critical · v3.1 (CVE.org)EPSS score
1.37%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference
Timeline
- 19-04-2023PublishedVulnerability first disclosed.
- 05-02-2025Last modifiedVulnerability information updated.
Description
Buffer Overflow vulnerability in Qihoo 360 Total Security v10.8.0.1060 and v10.8.0.1213 allows attacker to escalate privileges.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 10.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST10.0CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
1.37%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
0.00 pp
From 1.37% on 20-09-2026
20-09-202620-10-2026
EPSS score1.37%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (youtube.com)
Maturity: unknown
Exploit Reference (pastebin.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Browser.3601 product
- safe_browser13.0.2170.0
1 vendor · 1 product
References
3 links- memorycorruptor.blogspot.com/p/vulnerabilities-disclosures.htmlThird Party Advisory