Threat intelligence report · CISA KEV

CVE-2021-20021: SonicWall Email Security Improper Privilege Management Vulnerability

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. Required action: Apply updates per vendor instructions.

· high severity · unattributed attribution

Evidence and provenance

Original source
CISA KEV report ↗
Published
2021-11-03T00:00:00Z
Confidence basis
No actor match
Record ID
28289b3daab98c976c11

Vulnerabilities

CVE-2021-20021, CVE-2021-20022, CVE-2021-20023

Use and citation

Verify the original report before making operational decisions. Cite this permanent page together with the original source, publication date, confidence level, and review status.