Vulnerability Details CVE-2021-20021
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.85
EPSS Ranking 99.3%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
Proposed Action
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.
Ransomware Campaign
Known
References
Products affected by CVE-2021-20021
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cpe:2.3:a:sonicwall:email_security:-
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cpe:2.3:a:sonicwall:email_security:10.0.9
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cpe:2.3:a:sonicwall:hosted_email_security:*