CVE-2021-20022
Last modified
CVE-2021-20022 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to upload an arbitrary file to the remote host.. CISA has confirmed active exploitation in the wild. EPSS estimates a 16.51% chance of exploitation in the next 30 days.
Description
SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to upload an arbitrary file to the remote host.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sonicwall | Email Security | < 10.0.9.6103 |
| Sonicwall | Email Security Appliance 9000 Firmware | < 10.0.9.6105 |
| Sonicwall | Email Security Appliance 3300 Firmware | < 10.0.9.6105 |
| Sonicwall | Email Security Appliance 4300 Firmware | < 10.0.9.6105 |
| Sonicwall | Email Security Appliance 8300 Firmware | < 10.0.9.6105 |
| Sonicwall | Email Security Appliance 5000 Firmware | < 10.0.9.6105 |
| Sonicwall | Email Security Appliance 7000 Firmware | < 10.0.9.6105 |
| Sonicwall | Email Security Appliance 5050 Firmware | < 10.0.9.6105 |
| Sonicwall | Email Security Appliance 7050 Firmware | < 10.0.9.6105 |
| Sonicwall | Email Security Virtual Appliance | < 10.0.9.6105 |
| Sonicwall | Hosted Email Security | < 10.0.9.6103 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Scan your code nowSource: NVD / NIST