What is CVE-2021-20022?

CVE-2021-20022 is a vulnerability in SonicWall Email Security that allows a post-authenticated attacker to upload a file to the remote host.

How severe is CVE-2021-20022?

CVE-2021-20022 has a severity rating of 7.2 (high).

What is the affected software for CVE-2021-20022?

The affected software for CVE-2021-20022 is SonicWall Email Security version up to 10.0.9.6103.

Is there a fix available for CVE-2021-20022?

Yes, SonicWall has released a fix for CVE-2021-20022. It is recommended to update to the latest version of SonicWall Email Security.

Vulnerability/
CVE-2021-20022

Exploited

high

7.2

CWE

434

9/4/2021

21/11/2024

CVE-2021-20022: SonicWall Email Security Unrestricted Upload of File Vulnerability

Q: How can the SonicWall Email Security unrestricted upload of file vulnerability be exploited?

The SonicWall Email Security unrestricted upload of file vulnerability can be exploited by a post-authenticated attacker to upload malicious files.

First published: Fri Apr 09 2021(Updated: )

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.

Credit: PSIRT@sonicwall.com PSIRT@sonicwall.com

Affected Software	Affected Version	How to fix
SonicWall Email Security	<10.0.9.6103
Sonicwall Hosted Email Security	<10.0.9.6103
	<10.0.9.6103
	<10.0.9.6103
SonicWall SonicWall Email Security

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is CVE-2021-20022?
CVE-2021-20022 is a vulnerability in SonicWall Email Security that allows a post-authenticated attacker to upload a file to the remote host.
How severe is CVE-2021-20022?
CVE-2021-20022 has a severity rating of 7.2 (high).
What is the affected software for CVE-2021-20022?
The affected software for CVE-2021-20022 is SonicWall Email Security version up to 10.0.9.6103.
How can the SonicWall Email Security unrestricted upload of file vulnerability be exploited?
The SonicWall Email Security unrestricted upload of file vulnerability can be exploited by a post-authenticated attacker to upload malicious files.
Is there a fix available for CVE-2021-20022?
Yes, SonicWall has released a fix for CVE-2021-20022. It is recommended to update to the latest version of SonicWall Email Security.

collector/nvd-index
agent/type
agent/description
agent/softwarecombine
agent/title
agent/severity
agent/author
agent/weakness
agent/references
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/tags
agent/event
agent/first-publish-date
collector/nvd-cve
source/NVD
exploited/true
ransomware/true
collector/cisa-known-exploited
source/CISA
agent/software-canonical-lookup
vendor/sonicwall
canonical/sonicwall email security
canonical/sonicwall hosted email security
canonical/sonicwall sonicwall email security

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.