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CVE-2021-36380 is an unauthenticated operating system command injection vulnerability in Sunhillo SureLine surveillance data distribution software before version 8.7.0.1.1. Improper validation of the ipAddr and dnsAddr parameters in the network diagnostic CGI handler allows shell metacharacters to alter executed commands. Remote attackers can execute arbitrary commands with root privileges and establish an interactive remote shell. The vulnerability has been exploited in the wild, including in Mirai-based and ClingSTUN malware campaigns.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A command injection vulnerability in Sunhillo SureLine surveillance data distribution software. The article identifies it among the vulnerabilities exploited to deliver ClingSTUN to exposed devices, despite a patch having long been available.
A command injection vulnerability in Sunhillo SureLine, listed among the vulnerabilities used for ClingSTUN initial access.
Command injection vulnerability in Sunhillo SureLine, included among the campaign's entry points.
An unauthenticated OS command injection vulnerability in Sunhillo SureLine enables attackers to execute commands, establish an interactive remote shell, and potentially fully compromise the system. The report describes approximately 1,000 intercepted exploitation attempts daily and targeting by the IZ1H9 Mirai-based DDoS campaign. CISA added the vulnerability to its Known Exploited Vulnerabilities catalog on March 5, 2024.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.