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CVE-2021-36380

CRITICAL9.8
CISA KEV

Published 2021-08-13 · Updated 2026-06-17 · Source cve@mitre.org

Summary

CVE-2021-36380 is a critical-severity (CVSS 9.8) vulnerability in Sunhillo SureLine. CISA added it to the Known Exploited Vulnerabilities catalog on March 5, 2024, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by March 26, 2024. CISA does not currently list it as used in ransomware campaigns.

All 1 known-exploited Sunhillo vulnerabilities →

Description

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

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-78CWE-78

CISA Known-Exploited Vulnerability

Product: Sunhillo — SureLine

Name: Sunhillo SureLine OS Command Injection Vulnerablity

Date added: 2024-03-05 · Due: 2024-03-26

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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