Back to Database
Status published
Unknown
CVE-2021-20023
SonicWall Email Security version 10.0.9.x contains a vulnerability that allows...
Vulnerability Description
SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to read an arbitrary file on the remote host.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-20023
Credits & Attribution
No credits recorded in the NVD database.
More from SonicWall
View All →CVE-2025-40605
A Path Traversal vulnerability has been identified in the Email...
Unknown
0
CVE-2025-40604
Download of Code Without Integrity Check Vulnerability in the SonicWall...
Unknown
0
CVE-2025-40603
A potential exposure of sensitive information in log files in...
Unknown
0
CVE-2025-40602
A local privilege escalation vulnerability due to insufficient authorization in...
Unknown
0
CVE-2025-40601
A Stack-based buffer overflow vulnerability in the SonicOS SSLVPN service...
Unknown
0
Affected Vendor
SonicWall
View all reports →Affected Software
Email Security
Vulnerable Versions:
10.0.9 and earlier
Timeline
Official Publish:
April 20th, 2021
Last Modified:
October 21st, 2025
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available