CVSS v3
4.9
MEDIUM
EPSS Score
48.6%
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to read an arbitrary file on the remote host.
SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to read an arbitrary file on the remote host.
Yes. CVE-2021-20023 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.
CVE-2021-20023 has a CVSS v3 base score of 4.9 (MEDIUM severity).
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Ranked by exploit probability (EPSS).