CVE-2021-20022
SonicWall Email Security Unrestricted Upload of File Vulnerability
⚠ KEVEPSS 16.5%
Description
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.
How to fix CVE-2021-20022
No package mapping is available — consult the references below for vendor-specific guidance.
Is CVE-2021-20022 being exploited?
Yes — CVE-2021-20022 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (0)
No package mapping in OSV.