Exploited Vulnerabilities DailyCVE-2021-20022: SonicWall SonicWall Email Security
EPSS16.6%No. 1170 of 1739 in KEV
CVE year2021listed the same year
Same vendor in KEV19
Same product3
| Field | Value |
|---|---|
| Vendor | SonicWall |
| Product | SonicWall Email Security |
| Name | SonicWall Email Security Unrestricted Upload of File Vulnerability |
| Added to KEV | 2021-11-03 |
| US federal due date | 2021-11-17 |
| Ransomware use | Known |
| CWE | CWE-434 |
CISA description
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.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2021-20023 | SonicWall SonicWall Email Security | 2021-11-03 | 51.6% | Known |
| CVE-2021-20021 | SonicWall SonicWall Email Security | 2021-11-03 | 88.7% | Known |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A SonicWall SonicWall Email Security vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2021-11-03.