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TI-2021-14731 Aliases CVE-2021-36380GHSA-76jq-2jjj-76w4

Sunhillo SureLine before 8.7.0.1.1 allows Unauthenticated OS Command Injection via shell…

Priority CRITICAL 100Exploited in the wildCWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-78.

Summary

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

Why it matters now

Exploitation Active In CISA KEV since 2024-03-05CISA due date 2024-03-26
EPSS 0.97832 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sunhillo:sureline:*:*:*:*:*:*:*:*before 8.7.0.1.1VulnerableSunhillo
  • cpe:2.3:a:sunhillo:sureline:*:*:*:*:*:*:*:* Versions before 8.7.0.1.1 Vulnerable ·Sunhillo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2024-03-05 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2021-36380
  3. 2026-10-03 Alias added: GHSA-76jq-2jjj-76w4

References

Exploit 1

Other 1

  • TI-2026-81519 OS command injection in Sunhillo SureLine via networkDiag.cgi CVSS 4.0HIGH 8.7
  • TI-2026-81518 Path traversal in Sunhillo SureLine lets attackers read arbitrary files CVSS 4.0HIGH 8.7
  • TI-2026-81524 Authentication bypass in Sunhillo SureLine via forged session cookie CVSS 4.0CRITICAL 9.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences