Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-20023

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.

Published

2021-04-20T12:15:12.587

Last Modified

2025-11-12T14:32:02.917

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 4.9 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

8.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-22
  • Type: Primary
    CWE-22
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application sonicwall email_security < 10.0.9.6173 Yes
Operating System microsoft windows - No
Operating System sonicwall email_security_appliance_9000_firmware < 10.0.9.6177 Yes
Hardware sonicwall email_security_appliance_9000 - No
Operating System sonicwall email_security_appliance_3300_firmware < 10.0.9.6177 Yes
Hardware sonicwall email_security_appliance_3300 - No
Operating System sonicwall email_security_appliance_4300_firmware < 10.0.9.6177 Yes
Hardware sonicwall email_security_appliance_4300 - No
Operating System sonicwall email_security_appliance_8300_firmware < 10.0.9.6177 Yes
Hardware sonicwall email_security_appliance_8300 - No
Operating System sonicwall email_security_appliance_5000_firmware < 10.0.9.6177 Yes
Hardware sonicwall email_security_appliance_5000 - No
Operating System sonicwall email_security_appliance_7000_firmware < 10.0.9.6177 Yes
Hardware sonicwall email_security_appliance_7000 - No
Operating System sonicwall email_security_appliance_5050_firmware < 10.0.9.6177 Yes
Hardware sonicwall email_security_appliance_5050 - No
Operating System sonicwall email_security_appliance_7050_firmware < 10.0.9.6177 Yes
Hardware sonicwall email_security_appliance_7050 - No
Application sonicwall email_security_virtual_appliance < 10.0.9.6177 Yes
Application sonicwall hosted_email_security < 10.0.9.6173 Yes
References