CVE-2021-3576

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.

• CWE-250
• CWE-269

• https://www.bitdefender.com/support/security-advisories/privilege-escalation-via-seimpersonateprivilege-in-bitdefender-endpoint-security-tools-va-9848/Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-1276/Third Party Advisory, VDB Entry
• https://www.zerodayinitiative.com/advisories/ZDI-21-1376/Third Party Advisory, VDB Entry
• https://www.bitdefender.com/support/security-advisories/privilege-escalation-via-seimpersonateprivilege-in-bitdefender-endpoint-security-tools-va-9848/Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-1276/Third Party Advisory, VDB Entry
• https://www.zerodayinitiative.com/advisories/ZDI-21-1376/Third Party Advisory, VDB Entry

Published

Oct 28, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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