CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2021-20039
High (8.8) in sonicwall. EPSS 79% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 79% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
- CWE
- CWE-78
- Published
- Modified
- Record from
- the NVD, synced
Affected
- sonicwall:sma_200_firmware
- sonicwall:sma_210_firmware
- sonicwall:sma_400_firmware
- sonicwall:sma_410_firmware
- sonicwall:sma_500v_firmware
References
- http://packetstormsecurity.com/files/165563/SonicWall-SMA-100-Series-Authenticated-Command-Injection.html
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026
- http://packetstormsecurity.com/files/165563/SonicWall-SMA-100-Series-Authenticated-Command-Injection.html
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026
- https://attackerkb.com/topics/9szJhq46lw/cve-2021-20039/rapid7-analysis