Cyber Resilience

CVE-2021-33973

HighPublic PoC

Published: 19 April 2023

Published
19 April 2023
Modified
05 February 2025
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0018 39.2th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-33973 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in 360Totalsecurity 360 Total Security. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 39.2th percentile by exploit likelihood (below the median); 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 Safe guard v12.1.0.1004, v12.1.0.1005, v13.1.0.1001 allows attacker to escalate priveleges.

CWE(s)

Related Threats

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

Affected Assets

360totalsecurity
360 total security
10.8.0.1213

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References