CVE-2021-20021
SonicWall Email Security Improper Privilege Management Vulnerability
⚠ KEVEPSS 83.4%
Description
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.
How to fix CVE-2021-20021
No package mapping is available — consult the references below for vendor-specific guidance.
Is CVE-2021-20021 being exploited?
Yes — CVE-2021-20021 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (0)
No package mapping in OSV.