CVE-2021-20025
7.8 · HIGHOverview
CVE-2021-20025 is a high-severity vulnerability affecting sonicwall email_security_virtual_appliance. It was published on May 13, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
SonicWall Email Security Virtual Appliance version 10.0.9 and earlier versions contain a default username and a password that is used at initial setup. An attacker could exploit this transitional/temporary user account from the trusted domain to access the Virtual Appliance remotely only when the device is freshly installed and not connected to Mysonicwall.
Remediation
Check the references section for vendor advisories and patches from sonicwall. Update email_security_virtual_appliance to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| sonicwall | email_security_virtual_appliance | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-20025?
CVE-2021-20025 is a high-severity vulnerability affecting sonicwall email_security_virtual_appliance. It was published on May 13, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-20025?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-20025?
Check the references section for vendor advisories and patches from sonicwall. Update email_security_virtual_appliance to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-20025?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-20025 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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