7.2
CVE-2021-20022
- EPSS 46.26%
- Published 09.04.2021 18:15:13
- Last modified 30.07.2025 18:58:56
- Source PSIRT@sonicwall.com
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SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to upload an arbitrary file to the remote host.
Data is provided by the National Vulnerability Database (NVD)
Sonicwall ≫ Email Security Version < 10.0.9.6103
Sonicwall ≫ Hosted Email Security Version < 10.0.9.6103
03.11.2021: CISA Known Exploited Vulnerabilities (KEV) Catalog
SonicWall Email Security Unrestricted Upload of File Vulnerability
VulnerabilitySonicWall Email Security contains an unrestricted upload of file with dangerous type vulnerability that allows a post-authenticated attacker to upload a file to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20023 to achieve privilege escalation.
DescriptionApply updates per vendor instructions.
Required actionsType | Source | Score | Percentile |
---|---|---|---|
EPSS | FIRST.org | 46.26% | 0.976 |
Source | Base Score | Exploit Score | Impact Score | Vector string |
---|---|---|---|---|
nvd@nist.gov | 7.2 | 1.2 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
|
nvd@nist.gov | 6.5 | 8 | 6.4 |
AV:N/AC:L/Au:S/C:P/I:P/A:P
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 7.2 | 1.2 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
|
CWE-434 Unrestricted Upload of File with Dangerous Type
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.