Opto22 manufactures industrial automation and control systems, including programmable logic controllers and data-acquisition appliances such as the SNAP PAC and related firmware and server software, which operate in critical infrastructure and manufacturing environments. Its vulnerability profile skews strongly toward critical-severity outcomes and recurs through memory-safety and cryptographic-validation weaknesses—stack-based buffer overflows, resource-exhaustion conditions, and improper bounds checking—that are characteristic of embedded control software, alongside authorization gaps in server and project-management interfaces. Defenders should prioritize patches for this vendor's control and supervisory products given the severity tendency and the operational constraints of industrial deployments; live exploitation and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Opto22 over time
Signals from CVEs in this vendor scope (13 CVEs).
13 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2015-1006CRITICAL A vulnerable file in Opto 22 PAC Project Professional versions prior to R9.4006, PAC Project Basic versions prior to R9.4006, PAC Display Basic versions prior to R9.4f, PAC Display | May 10, 2019 | 9.8 | 31 | NO | NO |
CVE-2018-14807CRITICAL A stack-based buffer overflow vulnerability in Opto 22 PAC Control Basic and PAC Control Professional versions R10.0a and prior may allow remote code execution. | Oct 18, 2018 | 9.8 | 30 | NO | NO |
CVE-2020-10620CRITICAL Opto 22 SoftPAC Project Version 9.6 and prior. SoftPAC communication does not include any credentials. This allows an attacker with network access to directly communicate with Soft | May 14, 2020 | 9.8 | 29 | NO | NO |
CVE-2020-10612CRITICAL Opto 22 SoftPAC Project Version 9.6 and prior. SoftPACAgent communicates with SoftPACMonitor over network Port 22000. However, this port is open without any restrictions. This allo | May 14, 2020 | 9.1 | 28 | NO | NO |
CVE-2015-1007HIGH A specially crafted configuration file could be used to cause a stack-based buffer overflow condition in the OPCTest.exe, which may allow remote code execution on Opto 22 PAC Proje | Mar 25, 2019 | 7.8 | 26 | NO | NO |
CVE-2023-40706CRITICAL There is no limit on the number of login attempts in the web server for the SNAP PAC S1 Firmware version R10.3b. This could allow for a brute-force attack on the built-in web serve | Aug 24, 2023 | 9.8 | 25 | NO | NO |
CVE-2020-10616HIGH Opto 22 SoftPAC Project Version 9.6 and prior. SoftPAC does not specify the path of multiple imported .dll files. Therefore, an attacker can replace them and execute code whenever | May 14, 2020 | 8.8 | 22 | NO | NO |
CVE-2023-40709HIGH An adversary could crash the entire device by sending a large quantity of ICMP requests if the controller has the built-in web server enabled but does not have the built-in web ser | Aug 24, 2023 | 7.5 | 21 | NO | NO |
CVE-2023-40710HIGH An adversary could cause a continuous restart loop to the entire device by sending a large quantity of HTTP GET requests if the controller has the built-in web server enabled but d | Aug 24, 2023 | 7.5 | 20 | NO | NO |
CVE-2023-40707HIGH There are no requirements for setting a complex password in the built-in web server of the SNAP PAC S1 Firmware version R10.3b, which could allow for a successful brute force attac | Aug 24, 2023 | 7.5 | 19 | NO | NO |
Signals from CVEs in this vendor scope (13 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Opto22.
Media articles that mention a CVE ID that affects a product developed by Opto22 — matched by CVE ID, not by vendor name.