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CVE-2021-47770 OpenPLC 3 - Remote Code Execution

🗓️ 21 Jan 2026 17:27:32Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 18 Views

OpenPLC three remote code execution via hardware interface with a custom layer and reverse shell.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2021-47770
21 Jan 202617:27
attackerkb
CNNVD
OpenPLC code injection vulnerability
21 Jan 202600:00
cnnvd
CVE
CVE-2021-47770
21 Jan 202617:27
cve
EUVD
EUVD-2026-3655
21 Jan 202617:27
euvd
NVD
CVE-2021-47770
21 Jan 202618:16
nvd
Positive Technologies
PT-2026-3795
21 Jan 202600:00
ptsecurity
RedhatCVE
CVE-2021-47770
22 Jan 202617:34
redhatcve
Vulnrichment
CVE-2021-47770 OpenPLC 3 - Remote Code Execution
21 Jan 202617:27
vulnrichment
[
  {
    "vendor": "Autonomy",
    "product": "OpenPLC",
    "versions": [
      {
        "version": "OpenPLC v3",
        "status": "affected"
      }
    ]
  }
]

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07 Apr 2026 14:06Current
CVSS 48.6
CVSS 3.18.8
EPSS0.00634
18