CVE-2022-4856
6.3 · MEDIUMOverview
CVE-2022-4856 is a medium-severity vulnerability affecting modbustools modbus_slave. It was published on December 30, 2022 and has a CVSS 3.1 base score of 6.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability has been found in Modbus Tools Modbus Slave up to 7.5.1 and classified as critical. Affected by this vulnerability is an unknown functionality of the file mbslave.exe of the component mbs File Handler. The manipulation leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-217021 was assigned to this vulnerability.
Remediation
Check the references section for vendor advisories and patches from modbustools. Update modbus_slave to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| modbustools | modbus_slave | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2022-4856?
CVE-2022-4856 is a medium-severity vulnerability affecting modbustools modbus_slave. It was published on December 30, 2022 and has a CVSS 3.1 base score of 6.3 (MEDIUM).
How severe is CVE-2022-4856?
This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-4856?
Check the references section for vendor advisories and patches from modbustools. Update modbus_slave to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-4856?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-4856 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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