Vulnerability index

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Openplc V3 Firmware MEDIUM 6.5
CVE-2026-31156

A path injection vulnerability exists in OpenPLC v3 (2c82b0e79c53f8c1f1458eee15fec173400d6e1a) as the binary program compiled from glue_generator.cpp…

No fix yet
Fix from $1,600 2026-05-13
Openplc V3 Firmware HIGH 8.8
CVE-2026-35063

OpenPLC_V3 REST API endpoint checks for JWT presence but never verifies the caller's role. Any authenticated user with role=user can delete any other…

Mitigation only
Fix from $1,950 2026-04-09
Openplc V3 Firmware HIGH 7.5
CVE-2026-35556

OpenPLC_V3 is vulnerable to a Plaintext Storage of a Password vulnerability that could allow an attacker to retrieve credentials and access sensitive…

Mitigation only
Fix from $1,950 2026-04-09
Openplc V3 Firmware CRITICAL 9.8
CVE-2026-28205

OpenPLC_V3 is vulnerable to an Initialization of a Resource with an Insecure Default vulnerability which could allow an attacker to gain access to th…

Mitigation only
Fix from $2,300 2026-04-09
Openplc V3 Firmware HIGH 7.5
CVE-2024-36981

An out-of-bounds read vulnerability exists in the OpenPLC Runtime EtherNet/IP PCCC parser functionality of OpenPLC_v3 b4702061dc14d1024856f71b4543298…

No fix yet
Fix from $1,950 2024-09-18
Openplc V3 Firmware HIGH 7.5
CVE-2024-39589

Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7…

No fix yet
Fix from $1,950 2024-09-18
Openplc V3 Firmware HIGH 7.5
CVE-2024-39590

Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7…

No fix yet
Fix from $1,950 2024-09-18
Openplc V3 Firmware CRITICAL 9.8
CVE-2024-34026

A stack-based buffer overflow vulnerability exists in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC _v3 b4702061dc14d1024856f71b454…

No fix yet
Fix from $2,300 2024-09-18
Openplc V3 Firmware HIGH 7.5
CVE-2024-36980

An out-of-bounds read vulnerability exists in the OpenPLC Runtime EtherNet/IP PCCC parser functionality of OpenPLC_v3 b4702061dc14d1024856f71b4543298…

No fix yet
Fix from $1,950 2024-09-18
Openplc V3 Firmware MEDIUM 5.4
CVE-2024-37741

OpenPLC 3 through 9cd8f1b allows XSS via an SVG document as a profile picture.

No fix yet
Fix from $1,600 2024-06-28
Openplc V3 Firmware HIGH 8.8
CVE-2021-31630EPSS 27%

Command Injection in Open PLC Webserver v3 allows remote attackers to execute arbitrary code via the "Hardware Layer Code Box" component on the "/har…

No fix yet
Fix from $1,950 2021-08-03
Openplc MEDIUM 5.4
CVE-2021-3351

OpenPLC runtime V3 through 2016-03-14 allows stored XSS via the Device Name to the web server's Add New Device page.

Fix: after 2016-03-14
Fix from $1,600 2021-08-02
Openplc V2 Firmware CRITICAL 9.8
CVE-2018-20818

A buffer overflow vulnerability was discovered in the OpenPLC controller, in the OpenPLC_v2 and OpenPLC_v3 versions. It occurs in the modbus.cpp mapU…

Mitigation only
Fix from $2,300 2019-04-22