CVE-2021-20025 json
SonicWall Email Security Virtual Appliance version 10.0.9 and earlier versions contain a default username and a password that is used at in…
published 2021-05-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-7488
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- SonicWall Email Security Virtual Appliance
Classification
- Weakness
-
- CWE-798 Use of Hard-coded Credentials
References
-
psirt.global.sonicwall.com
/vuln-detail/SNWLID-2021-0012
vendor-advisory
Sources
- CVE List CVE-2021-20025
- NVD CVE-2021-20025
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