CVE-2021-47770

Summary

OpenPLC v3 contains an authenticated remote code execution vulnerability that allows attackers with valid credentials to inject malicious code through the hardware configuration interface. Attackers can upload a custom hardware layer with embedded reverse shell code that establishes a network connection to a specified IP and port, enabling remote command execution.

Affected Software

Weaknesses

• CWE-94: Improper Control of Generation of Code ('Code Injection')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

References

• https://www.exploit-db.com/exploits/49803
• https://www.openplcproject.com/
• https://github.com/thiagoralves/OpenPLC_v3
• https://www.vulncheck.com/advisories/openplc-remote-code-execution

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