Cybersecurity Alerts

SonicWall Email Security Path Traversal Vulnerability

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.

Required Action

Apply updates per vendor instructions.

Weakness Classification

CWE-22

References

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