What is CVE-2021-20025?

CVE-2021-20025 is a high-severity vulnerability in SonicWall Email Security Virtual Appliance, classified under Use of Hard-coded Credentials. CVSS score: 7.8/10. Published 2021-05-13.

How severe is CVE-2021-20025?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in SonicWall Email Security Virtual Appliance

CVE-2021-20025

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.

EPSS: 0.004 (28.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Sonicwall Email Security Virtual Appliance — versions 10.0.9 and earlier
Sonicwall Email_security_virtual_appliance

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

PSIRT@sonicwall.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-20025?: CVE-2021-20025 is a high-severity vulnerability in SonicWall Email Security Virtual Appliance, classified under Use of Hard-coded Credentials. CVSS score: 7.8/10. Published 2021-05-13.
How severe is CVE-2021-20025?: High severity. CVSS v3 base score is 7.8 out of 10.