Search Results (6 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2026-28205 1 Openplcproject 2 Openplc V3, Openplc V3 Firmware 2026-04-28 9.8 Critical
OpenPLC_V3 is vulnerable to an Initialization of a Resource with an Insecure Default vulnerability which could allow an attacker to gain access to the system by bypassing authentication via an API.
CVE-2026-35063 1 Openplcproject 2 Openplc V3, Openplc V3 Firmware 2026-04-16 8.8 High
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 user, including administrators, by specifying their user ID or they can create new accounts with role=admin, escalating to full administrator access.
CVE-2026-35556 1 Openplcproject 2 Openplc V3, Openplc V3 Firmware 2026-04-16 7.5 High
OpenPLC_V3 is vulnerable to a Plaintext Storage of a Password vulnerability that could allow an attacker to retrieve credentials and access sensitive information.
CVE-2025-54962 1 Openplcproject 2 Openplc, Openplc V3 2026-04-15 6.4 Medium
/edit-user in webserver in OpenPLC Runtime 3 through 9cd8f1b allows authenticated users to upload arbitrary files (such as .html or .svg), and these are then publicly accessible under the /static URI.
CVE-2021-31630 1 Openplcproject 2 Openplc V3, Openplc V3 Firmware 2024-11-21 8.8 High
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.
CVE-2018-20818 1 Openplcproject 4 Openplc V2, Openplc V2 Firmware, Openplc V3 and 1 more 2024-11-21 N/A
A buffer overflow vulnerability was discovered in the OpenPLC controller, in the OpenPLC_v2 and OpenPLC_v3 versions. It occurs in the modbus.cpp mapUnusedIO() function, which can cause a runtime crash of the PLC or possibly have unspecified other impact.