High severity · published Oct 28, 2021
CVE-2021-3579
Incorrect Default Permissions vulnerability in the bdservicehost.exe and Vulnerability.Scan.exe components as used in Bitdefender Endpoint Security Tools for Windows, Total…
7.8
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
Endpoint Security Tools · Bitdefender
before 7.2.1.65 · source: NVD
TS
Total Security · Bitdefender
before 7.2.1.65 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3579
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3579
Vendor Advisory
https://www.bitdefender.com/support/security-advisories/incorrect-default-permissions-vulnerability-in-bdservicehost-exe-and-vulnerability-scan-exe-va-9848/
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1277/
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