CVE-2021-20021: SonicWall Email Security Improper Privilege Management Vulnerability
SonicWall Email Security contains an improper privilege management vulnerability that allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20022 and CVE-2021-20023 to achieve privilege escalation.
Other sources
A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-20021?
CVE-2021-20021 is an improper privilege management vulnerability in SonicWall Email Security that allows an attacker to create an administrative account.
What is the severity of CVE-2021-20021?
CVE-2021-20021 has a severity rating of 9.8, indicating it is a critical vulnerability.
What software is affected by CVE-2021-20021?
SonicWall Email Security versions up to 10.0.9.6103, SonicWall Hosted Email Security versions up to 10.0.9.6103.
How can an attacker exploit CVE-2021-20021?
An attacker can exploit CVE-2021-20021 by sending a crafted HTTP request to the remote host and creating an administrative account.
Where can I find more information about CVE-2021-20021?
You can find more information about CVE-2021-20021 on the SonicWall PSIRT website: https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0007