CVE-2021-3579

Published on: 10/28/2021 12:00:00 AM UTC

Last Modified on: 11/28/2021 11:24:00 PM UTC

CVE-2021-3579

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Certain versions of Endpoint Security Tools from Bitdefender contain the following vulnerability:

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.

CVE-2021-3579 has been assigned by [email protected] to track the vulnerability - currently rated as HIGH severity.
Affected Vendor/Software: Bitdefender - ENdpoint Security Tools for Windows version < 7.2.1.65
Affected Vendor/Software: Bitdefender - Total Security version < 7.2.1.65

CVSS3 Score: 7.8 - HIGH

Attack Vector ^ⓘ	Attack Complexity	Privileges Required	User Interaction
LOCAL	LOW	LOW	NONE
Scope	Confidentiality Impact	Integrity Impact	Availability Impact
UNCHANGED	HIGH	HIGH	HIGH

CVSS2 Score: 4.6 - MEDIUM

Access Vector^ⓘ	Access Complexity	Authentication
LOCAL	LOW	NONE
Confidentiality Impact	Integrity Impact	Availability Impact
PARTIAL	PARTIAL	PARTIAL

CVE References

Description	Tags ^ⓘ	Link
Incorrect Default Permissions vulnerability in bdservicehost.exe and Vulnerability.Scan.exe (VA-9848) - Bitdefender	www.bitdefender.com text/html	MISC www.bitdefender.com/support/security-advisories/incorrect-default-permissions-vulnerability-in-bdservicehost-exe-and-vulnerability-scan-exe-va-9848/
ZDI-21-1277 \| Zero Day Initiative	www.zerodayinitiative.com text/html	MISC www.zerodayinitiative.com/advisories/ZDI-21-1277/

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Related QID Numbers

376073 Bitdefender Incorrect Default Permissions Vulnerability(VA-9848)

Known Affected Configurations (CPE V2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Application	Bitdefender	Endpoint Security Tools	All	All	All	All
Application	Bitdefender	Total Security	All	All	All	All

cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:windows:*:*:
cpe:2.3:a:bitdefender:total_security:*:*:*:*:*:*:*:*:

Discovery Credit

Michael DePlante of Trend Micro Zero Day Initiative

Social Mentions

Source	Title	Posted (UTC)
@CVEreport	CVE-2021-3579 : Incorrect Default Permissions vulnerability in the bdservicehost.exe and Vulnerability.Scan.exe com… twitter.com/i/web/status/1…	2021-10-28 13:55:33
@0_exploit	CVE-2021-3579 dlvr.it/SBTHWw	2021-10-28 17:30:37