CVE-2021-3576

Privilege escalation via SeImpersonatePrivilege

HIGH
7.8
CVSS Score
Published: October 28, 2021 at 01:50 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
2 products affected across 1 vendorTotal SecurityEndpoint Security Tools

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Severity
HIGH7.8
Exploit prediction
EPSS 0.9%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 7.2.1.65
Affected range stops below 7.2.1.65, so it looks safe — our inference, not a vendor statement
v < 25.0.26
Affected range stops below 25.0.26, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

7.8HIGHBitdefender
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-250CWE-269

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