ACTIVELY EXPLOITED3 sources verified·1 min read
By Lyrie Threat Intelligence·11/3/2021
CVE-2021-20021 added to CISA KEV: SonicWall SonicWall Email Security
Status: ✅ Confirmed exploited in the wild
Date added: 2021-11-03
Required action: Apply updates per vendor instructions.
Due date: 2021-11-17
Why this matters
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.
Sources
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