CVE-2021-36380: Sunhillo SureLine OS Command Injection Vulnerablity
Sunhillo SureLine contains an OS command injection vulnerability that allows an attacker to cause a denial-of-service or utilize the device for persistence on the network via shell metacharacters in ipAddr or dnsAddr in /cgi/networkDiag.cgi.
| Vendor | Sunhillo |
|---|---|
| Product | SureLine |
| Date added to KEV | 2024-03-05 |
| Due date (BOD 22-01) | 2024-03-26 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-78 |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
What to do
- Identify every instance of Sunhillo SureLine in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Federal civilian agencies must act by 2024-03-26 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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Sources
- NVD entry for CVE-2021-36380 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://www.sunhillo.com/fb011/
- https://nvd.nist.gov/vuln/detail/CVE-2021-36380