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CVE-2021-47770

HIGH

8.8

Description

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.

Details CVE

Score CVSS v3.18.8

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie1/21/2026

Derniere modification1/26/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-94

References

https://github.com/thiagoralves/OpenPLC_v3(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49803(disclosure@vulncheck.com)

https://www.openplcproject.com/(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openplc-remote-code-execution(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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