Privilege escalation via SeImpersonatePrivilege
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-250.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Bitdefender | Endpoint Security Tools | before 7.2.1.65 | 7.2.1.65 | Patch available | CNA |
| Bitdefender | Total Security | before 25.0.26 | 25.0.26 | Patch available | CNA |
- Endpoint Security Tools VendorBitdefender Affected before 7.2.1.65 Fixed in 7.2.1.65 Patch available CNA
- Total Security VendorBitdefender Affected before 25.0.26 Fixed in 25.0.26 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:*:*:* | before 7.2.1.65 | Vulnerable | Bitdefender |
| cpe:2.3:a:bitdefender:total_security:*:*:*:*:*:*:*:* | before 25.0.26 | Vulnerable | Bitdefender |
- cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:*:*:* Versions before 7.2.1.65 Vulnerable ·Bitdefender
- cpe:2.3:a:bitdefender:total_security:*:*:*:*:*:*:*:* Versions before 25.0.26 Vulnerable ·Bitdefender
Remediation
- Fix · CNA Endpoint Security Tools (Bitdefender) Fixed in 7.2.1.65
- Fix · CNA Total Security (Bitdefender) Fixed in 25.0.26
Timeline
- 2026-10-02 Threatist record created from CVE-2021-3576
- 2026-10-03 Alias added: GHSA-2p82-m3fp-gp3x
References
More Bitdefender Endpoint Security Tools vulnerabilities
- TI-2021-02507 Improper access control in Bitdefender Endpoint Security Tools for Linux CVSS 3.1CRITICAL 10.0
- TI-2025-06435 Local Privilege Escalation via Arbitrary File Operation in Bitdefender Total Security CVSS 4.0HIGH 8.8
- TI-2021-02505 Insufficient validation on regular expression in EPPUpdateService config file (VA-9825) CVSS 3.1HIGH 7.5
- TI-2022-00592 Improper Handling of Length Parameter Inconsistency vulnerability in Bitdefender Update Server (VA-10144) CVSS 3.1HIGH 7.5
- TI-2021-03065 Incorrect Permission Assignment for Critical Resource vulnerability in BDReinit.exe (VA-10017) CVSS 3.1HIGH 7.8
- TI-2021-02528 Incorrect Default Permissions vulnerability in bdservicehost.exe and Vulnerability.Scan.exe CVSS 3.1HIGH 7.8
Sources
- CVE-2021-3576 · CVE Program
- CVE-2021-3576 · NVD
- FIRST EPSS
- GHSA-2p82-m3fp-gp3x · GitHub Advisory Database · CC BY 4.0
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