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Critical 9.8Known exploited (CISA KEV)Published Aug 13, 2021
CVE-2021-36380Sunhillo SureLine before 8.7.0.1.1 allows Unauthenticated OS Command Injection via shell metacharacters in ipAddr or dnsAddr /cgi/networkDiag.cgi.
Updated under an hour ago ()
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It affects sunhillo sureline. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Mar 5, 2024; federal agencies had to remediate by Mar 26, 2024. Treat that date as your deadline.
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Sunhillo SureLine before 8.7.0.1.1 allows Unauthenticated OS Command Injection via shell metacharacters in ipAddr or dnsAddr /cgi/networkDiag.cgi.
- CVSS
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Added to CISA KEV Mar 5, 2024; federal remediation due Mar 26, 2024Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 97.83% (percentile 100)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
sunhillo sureline sunhillo:sureline | before 8.7.0.1.1 | CISA ADP |
sunhillo sureline sunhillo:sureline | before 8.7.0.1.1 | NVD |
References
- https://www.sunhillo.com/product/sureline/x-refsource-misc, product
- https://research.nccgroup.com/2021/07/26/technical-advisory-sunhillo-sureline-unauthenticated-os-command-injection-cve-2021-36380/x-refsource-misc, exploit, third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36380us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.