---
cve: "CVE-2021-3576"
severity: "HIGH"
cvss: 7.8
epss: "96%"
vendor: "Bitdefender"
kev: false
exploited: false
published: "2021-10-28 13:50:23"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-13T08:25:50+02:00"
---

# CVE-2021-3576

> 7.8 HIGH

## Beschreibung

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.

## CVSS-Vektor

```
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

- <https://www.bitdefender.com/support/security-advisories/privilege-escalation-via-seimpersonateprivilege-in-bitdefender-endpoint-security-tools-va-9848/>
- <https://www.zerodayinitiative.com/advisories/ZDI-21-1276/>
- <https://www.zerodayinitiative.com/advisories/ZDI-21-1376/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-3576) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_