Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since November 3, 2021.
CVE-2021-20021
SonicWall Email Security Improper Privilege Management Vulnerability
SonicWall · SonicWall Email Security
Added to KEV November 3, 2021
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2021-20021
- CWE
- CWE-306
- Affected products
- SonicWall Email Security · SonicWall SonicWall Email Security · SonicWall
What happened
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.
What it means for your business
SonicWall SonicWall Email Security is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-20021). 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. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.
Required action
Apply updates per vendor instructions.
CISA due date: November 17, 2021
Sources
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