CVE-2021-3576

moderate-risk
Published 2021-10-28

Execution with Unnecessary Privileges vulnerability in Bitdefender Endpoint Security Tools, Total Security allows a local attacker to elevate to 'NT AUTHORITY\System. Impersonation enables the server thread to perform actions on behalf of the client but within the limits of the client's security context. This issue affects: Bitdefender Endpoint Security Tools versions prior to 7.2.1.65. Bitdefender Total Security versions prior to 25.0.26.

Do I need to act?

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0.10% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (2)

Endpoint Security Tools

Affected Vendors

Bitdefender

References (6)

Vendor Advisory https://www.bitdefender.com/support/security-advisories/privilege-escalation-via...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-1276/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-1376/
Vendor Advisory https://www.bitdefender.com/support/security-advisories/privilege-escalation-via...
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-1276/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-1376/
31
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 0/34 · Minimal
Exposure 7/34 · Low