What’s Vulnerable › Vulnerabilities

CVE-2021-20025

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-13 · updated 2026-06-17
• Weakness: CWE-798

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.

Affected products

• SonicWall Email Security Virtual Appliance: through 10.0.9

References

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0012
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0012

Get alerted when CVE-2021-20025 or the next vulnerability affects your stack