Vulnerability Description
Improper neutralization of special elements in the SMA100 management interface '/cgi-bin/viewcert' POST http method allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sonicwall | Sma 200 Firmware | 9.0.0.11-31sv |
| Sonicwall | Sma 200 | - |
| Sonicwall | Sma 210 Firmware | 9.0.0.11-31sv |
| Sonicwall | Sma 210 | - |
| Sonicwall | Sma 410 Firmware | 9.0.0.11-31sv |
| Sonicwall | Sma 410 | - |
| Sonicwall | Sma 400 Firmware | 9.0.0.11-31sv |
| Sonicwall | Sma 400 | - |
| Sonicwall | Sma 500V Firmware | 9.0.0.11-31sv |
| Sonicwall | Sma 500V | - |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/165563/SonicWall-SMA-100-Series-AuthenticatExploitThird Party AdvisoryVDB Entry
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026Vendor Advisory
- http://packetstormsecurity.com/files/165563/SonicWall-SMA-100-Series-AuthenticatExploitThird Party AdvisoryVDB Entry
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026Vendor Advisory
- https://attackerkb.com/topics/9szJhq46lw/cve-2021-20039/rapid7-analysis
FAQ
What is CVE-2021-20039?
CVE-2021-20039 is a vulnerability with a CVSS score of 8.8 (HIGH). Improper neutralization of special elements in the SMA100 management interface '/cgi-bin/viewcert' POST http method allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' us...
How severe is CVE-2021-20039?
CVE-2021-20039 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-20039?
Check the references section above for vendor advisories and patch information. Affected products include: Sonicwall Sma 200 Firmware, Sonicwall Sma 200, Sonicwall Sma 210 Firmware, Sonicwall Sma 210, Sonicwall Sma 410 Firmware.