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Vulnerabilities CVE-2021-20022

CVE-2021-20022

Medium
Open
KEV
TLP:CLEAR

SonicWall Email Security Unrestricted Upload of File Vulnerability

NVD CVE.org

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Description

SonicWall — SonicWall Email Security — 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.

Details

EPSS Score ⓘ
16.51%

96.7th percentile

Confidence
100%
CISA KEV
Date Added
Nov 3, 2021
Patch Due
Nov 17, 2021
Used in ransomware campaigns
Required Action
Apply updates per vendor instructions.
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