CVE-2021-36380

Sunhillo SureLine OS Command Injection Vulnerablity

n/a

CVSS

97.6%

EPSS (exploit prob.)

99.9%

EPSS percentile

Yes

Actively exploited

Ransomware use

2024-03-05

Added

MITRE ATT&CK techniques

How this vulnerability maps to adversary behaviour, from the Center for Threat-Informed Defense's public CVE→ATT&CK mappings. Use it to check whether your detections already cover the technique.

Technique	Name	Relationship
T1190	Exploit Public-Facing Application	exploitation technique
T1059.004	Unix Shell	primary impact

Summary

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.

Affected software

Vendor: Sunhillo · Product: SureLine

Weakness types (CWE):

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

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