7.2

CVE-2021-20022

Warning

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)
SonicwallEmail Security Version < 10.0.9.6103
SonicwallHosted Email Security Version < 10.0.9.6103

03.11.2021: CISA Known Exploited Vulnerabilities (KEV) Catalog

SonicWall Email Security Unrestricted Upload of File Vulnerability

Vulnerability

SonicWall 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.

Description

Apply updates per vendor instructions.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 46.26% 0.976
CVSS Metriken
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.