ACTIEF MISBRUIKT
CVE-2021-20021: SonicWall Email Security Improper Privilege Management Vulnerability
| Leverancier | SonicWall |
|---|---|
| Product | SonicWall Email Security |
| Actief misbruikt | Ja |
| Toegevoegd aan CISA KEV | 3 nov 2021 |
| CISA-deadline (Amerikaanse overheid) | 17 nov 2021 |
| Gebruik door ransomware | Bekend |
| Zwakte (CWE) | CWE-306 |
Vereiste actie (tekst van CISA, Engels)
Apply updates per vendor instructions.
Beschrijving (NVD, Engels)
SonicWall Email Security contains an improper privilege management vulnerability that allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20022 and CVE-2021-20023 to achieve privilege escalation.
BRONNEN
Andere lekken bij SonicWall
- CVE-2026-19868: SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability
- CVE-2026-83549: SonicWall SMA1000 Appliances OS Command Injection Vulnerability
- CVE-2026-83548: SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
- CVE-2026-15410: SonicWall SMA1000 Appliances Code Injection Vulnerability
- CVE-2026-15409: SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
Gegevens van NVD, CISA KEV, FIRST EPSS en adviezen van leveranciers. Bijgewerkt 10 nov 2026.