CRITICALCVSS 9.8KNOWN EXPLOITEDRANSOMWARE: KNOWN

CVE-2021-20021

CVE-2021-20021 updated by NVD

Published: 2021-11-03
Modified: 2026-09-21
Sources: cisa-kev, nvd

Summary

A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host.

References

https://nvd.nist.gov/vuln/detail/CVE-2021-20021

Includes data from the CISA Known Exploited Vulnerabilities catalog.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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