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CVE-2021-20025

7.8 · HIGH

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.

Published May 13, 2021CWE-798EPSS 0.36%

Overview

CVE-2021-20025 is a high-severity vulnerability. 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, patches, and mitigation guidance. 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.

References

Refpsirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0012Refpsirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0012

How CyberStrike helps

Frequently asked questions

What is CVE-2021-20025?

CVE-2021-20025 is a high-severity vulnerability. 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, patches, and mitigation guidance. 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 is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-20025 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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