CVE-2021-3579

Incorrect Default Permissions vulnerability in bdservicehost.exe and Vulnerability.Scan.exe

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 0.7%

Description

Incorrect Default Permissions vulnerability in the bdservicehost.exe and Vulnerability.Scan.exe components as used in Bitdefender Endpoint Security Tools for Windows, Total Security allows a local attacker to elevate privileges to NT AUTHORITY\SYSTEM This issue affects: Bitdefender Endpoint Security Tools for Windows versions prior to 7.2.1.65. Bitdefender Total Security versions prior to 7.2.1.65.

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 < 7.2.1.65
Affected range stops below 7.2.1.65, 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-276

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