CVE-2021-20023—SonicWall Email Security Path Traversal Vulnerability

Vulnerability Name

SonicWall Email Security Path Traversal Vulnerability

Description

SonicWall Email Security contains a path traversal vulnerability that allows a post-authenticated attacker to read files on the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20022 to achieve privilege escalation.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:

KNOWN

Action

Apply updates per vendor instructions.

Additional Notes

• https://nvd.nist.gov/vuln/detail/CVE-2021-20023

Related Weaknesses

• CWE-22