CVE-2021-31630
HIGH 9.0EPSS 27.1%
Command Injection in Open PLC Webserver v3 allows remote attackers to execute arbitrary code via the "Hardware Layer Code Box" component on the "/hardware" page of the application.
- CVSS v3.1
- 8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0
- 9.0 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C - EPSS
- 27.07% chance of exploitation in the next 30 days, 98th percentile
- Published
- 2021-08-03
- Updated
- 2024-08-03
Proof-of-concept exploits (18)
- https://packetstormsecurity.com/files/162563/OpenPLC-WebServer-3-Remote-Code-Execution.ht…
- https://www.youtube.com/watch?v=l08DHB08Gow
- FlojBoj/CVE-2021-316300★ · 2024-07-27
- Hunt3r0x/CVE-2021-31630-HTB9★ · 2024-03-21
- UserB1ank/CVE-2021-316300★ · 2025-10-06
- adibabdala123/cve-2021-316301★ · 2024-06-29
- adibna/cve-2021-316301★ · 2024-06-29
- behindsecurity/htb-wifinetictwo-exploit0★ · 2024-04-04
- h3v0x/CVE-2021-31630-OpenPLC_RCE2★ · 2021-08-02
- hev0x/CVE-2021-31630-OpenPLC_RCE2★ · 2021-08-02
- junnythemarksman/CVE-2021-316300★ · 2024-06-04
- machevalia/OpenPLC-CVE-2021-31630-RCE3★ · 2025-06-25
- manuelsantosiglesias/CVE-2021-316300★ · 2024-07-24
- mind2hex/CVE-2021-316300★ · 2024-04-15
- mind2hex/CVE-2021-31630-OpenPLC-3-Authenticated-RCE0★ · 2024-04-15
- thewhiteh4t/cve-2021-3163021★ · 2024-07-12
- ttps-byte/cve-2021-316301★ · 2024-06-29
- tranquac/OpenPLC_v3