Freeopcua is an open-source OPC UA (Object Linking and Embedding for Process Control Unified Architecture) implementation providing a Python-based client and server framework for industrial automation and control systems, with exposure centered in its core asyncio-based library. The observed vulnerability surface reflects resource-management and authentication concerns endemic to network protocol implementations, including unbounded resource allocation, infinite loops, uncontrolled consumption, and improper authentication mechanisms that can arise in industrial communication stacks. Current exploitation activity, severity distribution, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Freeopcua over time
Signals from CVEs in this vendor scope (3 CVEs).
3 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2022-24298HIGH All versions of package freeopcua/freeopcua are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSessi | Aug 23, 2022 | 7.5 | 24 | NO | NO |
CVE-2023-26151HIGH Versions of the package asyncua before 0.9.96 are vulnerable to Denial of Service (DoS) such that an attacker can send a malformed packet and as a result, the server will enter int | Oct 3, 2023 | 7.5 | 22 | NO | NO |
CVE-2023-26150HIGH Versions of the package asyncua before 0.9.96 are vulnerable to Improper Authentication such that it is possible to access Address Space without encryption and authentication.
**N | Oct 3, 2023 | 7.5 | 20 | NO | NO |
Signals from CVEs in this vendor scope (3 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Freeopcua.
Media articles that mention a CVE ID that affects a product developed by Freeopcua — matched by CVE ID, not by vendor name.