CVE-2021-3579

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

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.

Remediation

Solution:

  • An automatic update to Bitdefender Endpoint Security Tools version 7.2.1.65, Bitdefender Total Security version 25.0.26 fixes the issue.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory bitdefender.com
Affected: Bitdefender ENdpoint Security Tools for Windows
Affected: Bitdefender Total Security
Published at:
Updated at:

References

Link Tags
https://www.bitdefender.com/support/security-advisories/incorrect-default-permissions-vulnerability-in-bdservicehost-exe-and-vulnerability-scan-exe-va-9848/ vendor advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1277/ vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-3579?
CVE-2021-3579 has been scored as a high severity vulnerability.
How to fix CVE-2021-3579?
To fix CVE-2021-3579: An automatic update to Bitdefender Endpoint Security Tools version 7.2.1.65, Bitdefender Total Security version 25.0.26 fixes the issue.
Is CVE-2021-3579 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3579 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3579?
CVE-2021-3579 affects Bitdefender ENdpoint Security Tools for Windows, Bitdefender Total Security.
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