// For flags

CVE-2021-3576

Privilege escalation via SeImpersonatePrivilege

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Execution with Unnecessary Privileges vulnerability in Bitdefender Endpoint Security Tools, Total Security allows a local attacker to elevate to 'NT AUTHORITY\System. Impersonation enables the server thread to perform actions on behalf of the client but within the limits of the client's security context. This issue affects: Bitdefender Endpoint Security Tools versions prior to 7.2.1.65. Bitdefender Total Security versions prior to 25.0.26.

Una vulnerabilidad de Ejecución con Privilegios Innecesarios en Bitdefender Endpoint Security Tools, Total Security permite a un atacante local elevarse a "NT AUTHORITY\System". La suplantación permite al hilo del servidor llevar a cabo acciones en nombre del cliente pero dentro de límites del contexto de seguridad del cliente. Este problema afecta a: Bitdefender Endpoint Security Tools versiones anteriores a 7.2.1.65. Bitdefender Total Security versiones anteriores a 25.0.26

This vulnerability allows local attackers to escalate privileges on affected installations of Bitdefender GravityZone. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the endpoint client. The issue results from allowing an untrusted process to impersonate the client of a pipe. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

*Credits: Zero-Day Initiative (ZDI)
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-06-02 CVE Reserved
  • 2021-10-28 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-09-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-250: Execution with Unnecessary Privileges
  • CWE-269: Improper Privilege Management
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Bitdefender
Search vendor "Bitdefender"
Endpoint Security Tools
Search vendor "Bitdefender" for product "Endpoint Security Tools"
< 7.2.1.65
Search vendor "Bitdefender" for product "Endpoint Security Tools" and version " < 7.2.1.65"
-
Affected
Bitdefender
Search vendor "Bitdefender"
Total Security
Search vendor "Bitdefender" for product "Total Security"
< 25.0.26
Search vendor "Bitdefender" for product "Total Security" and version " < 25.0.26"
-
Affected