SWSandworm Watch
cve entity

CVE-2021-20021

3 source-linked records in the current knowledge graph.

high

CVE-2021-20021: SonicWall Email Security Improper Privilege Management Vulnerability

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. Required action: Apply updates per vendor instructions.

CVE-2021-20021CVE-2021-20022EPSS 83.4%SonicWallSonicWall Email Security
CISA KEV ↗ · unattributed attribution
high

CVE-2021-20022: SonicWall Email Security Unrestricted Upload of File Vulnerability

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. Required action: Apply updates per vendor instructions.

CVE-2021-20021CVE-2021-20022EPSS 83.4%SonicWallSonicWall Email Security
CISA KEV ↗ · unattributed attribution
high

CVE-2021-20023: SonicWall Email Security Path Traversal Vulnerability

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. Required action: Apply updates per vendor instructions.

CVE-2021-20021CVE-2021-20022EPSS 83.4%SonicWallSonicWall Email Security
CISA KEV ↗ · unattributed attribution