CVE-2021-20035
Last modified
CVE-2021-20035 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Improper neutralization of special elements in the SMA100 management interface allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user which potentially leads to DoS.. CISA has confirmed active exploitation in the wild. EPSS estimates a 3.89% chance of exploitation in the next 30 days.
Description
Improper neutralization of special elements in the SMA100 management interface allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user which potentially leads to DoS.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 | Sma 200 Firmware | < 9.0.0.11-31sv |
| Sonicwall | Sma 200 Firmware | >= 10.2.0.0, < 10.2.0.8-37sv |
| Sonicwall | Sma 200 Firmware | >= 10.2.1.0, < 10.2.1.1-19sv |
| Sonicwall | Sma 210 Firmware | < 9.0.0.11-31sv |
| Sonicwall | Sma 210 Firmware | >= 10.2.0.0, < 10.2.0.8-37sv |
| Sonicwall | Sma 210 Firmware | >= 10.2.1.0, < 10.2.1.1-19sv |
| Sonicwall | Sma 400 Firmware | < 9.0.0.11-31sv |
| Sonicwall | Sma 400 Firmware | >= 10.2.0.0, < 10.2.0.8-37sv |
| Sonicwall | Sma 400 Firmware | >= 10.2.1.0, < 10.2.1.1-19sv |
| Sonicwall | Sma 410 Firmware | < 9.0.0.11-31sv |
| Sonicwall | Sma 410 Firmware | >= 10.2.0.0, < 10.2.0.8-37sv |
| Sonicwall | Sma 410 Firmware | >= 10.2.1.0, < 10.2.1.1-19sv |
| Sonicwall | Sma 500v | < 9.0.0.11-31sv |
| Sonicwall | Sma 500v | >= 10.2.0.0, < 10.2.0.8-37sv |
| Sonicwall | Sma 500v | >= 10.2.1.0, < 10.2.1.1-19sv |
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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