CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities catalog, indicating confirmed active exploitation in the wild. Its EPSS score suggests a 83.4% probability of exploitation in the next 30 days. It may be remotely exploitable.
CISA KEV Details
Status: This CVE is listed in CISA's Known Exploited Vulnerabilities catalog.
Ransomware use: Known
Added to KEV: 2021-11-03
Required action: Apply updates per vendor instructions.
CVE
CVE-2021-20021
Severity
CRITICAL
CVSS
9.8
EPSS
83.43%
Original NVD Description
A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host.
Related CVEs
Other vulnerabilities affecting the same vendor(s)