HIGH CISA KEV

CVE-2021-20022

CVSS v3

7.2

HIGH

EPSS Score

20.0%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

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.

CISA Known Exploited Vulnerability

Date Added
11/3/2021
Patch Due Date
11/17/2021
Ransomware Use
Known

Technical details

Published
4/9/2021

Frequently asked questions

What is CVE-2021-20022?

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.

Is CVE-2021-20022 actively exploited?

Yes. CVE-2021-20022 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 11/17/2021.

What is the CVSS score for CVE-2021-20022?

CVE-2021-20022 has a CVSS v3 base score of 7.2 (HIGH severity).

Is CVE-2021-20022 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.