CVE-2021-36380

Sunhillo SureLine before 8.7.0.1.1 allows Unauthenticated OS Command Injection via shell metacharacters in ipAddr or dnsAddr /cgi/networkDiag.cgi.

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

97.83% chance of exploitation in the next 30 days, 100th percentile

CISA KEV

added 2024-03-05

Nuclei

critical · CWE-78

Published

2021-08-13

Updated

2025-10-21

Proof-of-concept exploits (1)

• https://research.nccgroup.com/2021/07/26/technical-advisory-sunhillo-sureline-unauthentic…

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-36380.yaml

Security advisories

• https://research.nccgroup.com/2021/07/26/technical-advisory-sunhillo-sureline-unauthentic…
• https://www.sunhillo.com/product/sureline

References

• CVE Record
• NVD entry