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.
References
| Link | Resource |
|---|---|
| https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0010 | Vendor Advisory |
| https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0010 | Vendor Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20023 | US Government Resource |
Configurations
Configuration 1 (hide)
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Configuration 10 (hide)
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History
12 Nov 2025, 14:32
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Sonicwall email Security Appliance 5000 Firmware
Sonicwall email Security Appliance 9000 Sonicwall email Security Appliance 4300 Sonicwall email Security Appliance 7050 Firmware Sonicwall email Security Appliance 7050 Sonicwall email Security Appliance 5050 Firmware Sonicwall email Security Appliance 9000 Firmware Microsoft Sonicwall email Security Appliance 5050 Sonicwall email Security Appliance 5000 Sonicwall email Security Appliance 3300 Sonicwall email Security Appliance 8300 Sonicwall email Security Virtual Appliance Sonicwall email Security Appliance 8300 Firmware Sonicwall email Security Appliance 3300 Firmware Sonicwall email Security Appliance 7000 Sonicwall email Security Appliance 4300 Firmware Microsoft windows Sonicwall email Security Appliance 7000 Firmware |
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| References | () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20023 - US Government Resource | |
| CPE | cpe:2.3:a:sonicwall:email_security:*:*:*:*:*:email_security_virtual_appliance:*:* |
cpe:2.3:o:sonicwall:email_security_appliance_7000_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:email_security_appliance_5000:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:email_security_appliance_4300:-:*:*:*:*:*:*:* cpe:2.3:o:sonicwall:email_security_appliance_5050_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:sonicwall:email_security_appliance_3300_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:sonicwall:email_security_appliance_8300_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:email_security_appliance_7050:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:email_security_appliance_9000:-:*:*:*:*:*:*:* cpe:2.3:o:sonicwall:email_security_appliance_7050_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:email_security_appliance_8300:-:*:*:*:*:*:*:* cpe:2.3:o:sonicwall:email_security_appliance_9000_firmware:*:*:*:*:*:*:*:* cpe:2.3:a:sonicwall:email_security:*:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:email_security_appliance_3300:-:*:*:*:*:*:*:* cpe:2.3:o:sonicwall:email_security_appliance_5000_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:sonicwall:email_security_appliance_4300_firmware:*:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:email_security_appliance_5050:-:*:*:*:*:*:*:* cpe:2.3:a:sonicwall:email_security_virtual_appliance:*:*:*:*:*:*:*:* cpe:2.3:h:sonicwall:email_security_appliance_7000:-:*:*:*:*:*:*:* |
22 Oct 2025, 00:17
| Type | Values Removed | Values Added |
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| References |
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21 Oct 2025, 20:18
| Type | Values Removed | Values Added |
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21 Oct 2025, 19:18
| Type | Values Removed | Values Added |
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| References |
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21 Nov 2024, 05:45
| Type | Values Removed | Values Added |
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| References | () https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0010 - Vendor Advisory |
Information
Published : 2021-04-20 12:15
Updated : 2025-11-12 14:32
NVD link : CVE-2021-20023
Mitre link : CVE-2021-20023
CVE.ORG link : CVE-2021-20023
JSON object : View
Products Affected
sonicwall
- email_security_appliance_5050
- email_security_appliance_5000
- email_security_appliance_7000_firmware
- email_security_appliance_5050_firmware
- email_security_appliance_7050
- email_security_appliance_4300_firmware
- email_security_appliance_7000
- email_security
- email_security_appliance_5000_firmware
- email_security_appliance_8300
- email_security_appliance_9000_firmware
- email_security_appliance_9000
- hosted_email_security
- email_security_appliance_3300_firmware
- email_security_appliance_4300
- email_security_appliance_7050_firmware
- email_security_appliance_3300
- email_security_appliance_8300_firmware
- email_security_virtual_appliance
microsoft
- windows
CWE
CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
