Vulnerability Details CVE-2021-20023
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.603
EPSS Ranking 98.2%
CVSS Severity
CVSS v3 Score 4.9
CVSS v2 Score 4.0
Proposed Action
SonicWall Email Security contains a path traversal vulnerability that allows a post-authenticated attacker to read files on the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20022 to achieve privilege escalation.
Ransomware Campaign
Known
References
Products affected by CVE-2021-20023
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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:email_security_virtual_appliance:-
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cpe:2.3:a:sonicwall:email_security_virtual_appliance:10.0.5
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cpe:2.3:a:sonicwall:email_security_virtual_appliance:10.0.7
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cpe:2.3:a:sonicwall:email_security_virtual_appliance:10.0.9
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cpe:2.3:a:sonicwall:email_security_virtual_appliance:9.0.6
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cpe:2.3:a:sonicwall:hosted_email_security:10.0.9.6103
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cpe:2.3:h:sonicwall:email_security_appliance_3300:-
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cpe:2.3:h:sonicwall:email_security_appliance_4300:-
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cpe:2.3:h:sonicwall:email_security_appliance_5000:-
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cpe:2.3:h:sonicwall:email_security_appliance_5050:-
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cpe:2.3:h:sonicwall:email_security_appliance_7000:-
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cpe:2.3:h:sonicwall:email_security_appliance_7050:-
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cpe:2.3:h:sonicwall:email_security_appliance_8300:-
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cpe:2.3:h:sonicwall:email_security_appliance_9000:-
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cpe:2.3:o:microsoft:windows:-
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cpe:2.3:o:sonicwall:email_security_appliance_3300_firmware:10.0.9.6105
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cpe:2.3:o:sonicwall:email_security_appliance_4300_firmware:10.0.9.6105
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cpe:2.3:o:sonicwall:email_security_appliance_5000_firmware:10.0.9.6105
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cpe:2.3:o:sonicwall:email_security_appliance_5050_firmware:10.0.9.6105
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cpe:2.3:o:sonicwall:email_security_appliance_7000_firmware:10.0.9.6105
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cpe:2.3:o:sonicwall:email_security_appliance_7050_firmware:10.0.9.6105
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cpe:2.3:o:sonicwall:email_security_appliance_8300_firmware:10.0.9.6105
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cpe:2.3:o:sonicwall:email_security_appliance_9000_firmware:10.0.9.6105