Vulnerability Name:

CVE-2021-3579 (CCN-212392)

Assigned:2021-10-28
Published:2021-10-28
Updated:2021-11-28
Summary: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 v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-276
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-3579

Source: XF
Type: UNKNOWN
bitdefender-cve20213579-priv-esc(212392)

Source: CCN
Type: Bitdefender VA-9848
Incorrect Default Permissions vulnerability in bdservicehost.exe and Vulnerability.Scan.exe (VA-9848)

Source: MISC
Type: Vendor Advisory
https://www.bitdefender.com/support/security-advisories/incorrect-default-permissions-vulnerability-in-bdservicehost-exe-and-vulnerability-scan-exe-va-9848/

Source: CCN
Type: ZDI-21-1277
(0Day) Bitdefender Total Security Unnecessary Privileges Local Privilege Escalation Vulnerability

Source: MISC
Type: Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-1277/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:bitdefender:endpoint_security_tools:*:*:*:*:*:windows:*:* (Version < 7.2.1.65)
  • OR cpe:/a:bitdefender:total_security:*:*:*:*:*:*:*:* (Version < 7.2.1.65)

    • * Denotes that component is vulnerable
    BACK
    bitdefender endpoint security tools *
    bitdefender total security *