ACTIEF MISBRUIKT
CVE-2021-20022: SonicWall Email Security Unrestricted Upload of File 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-434 |
Vereiste actie (tekst van CISA, Engels)
Apply updates per vendor instructions.
Beschrijving (NVD, Engels)
SonicWall Email Security contains an unrestricted upload of file with dangerous type vulnerability that allows a post-authenticated attacker to upload a file to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20023 to achieve privilege escalation.
BRONNEN
Andere lekken bij SonicWall
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- 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.