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CVE-2022-4856

6.3 · MEDIUM

A vulnerability has been found in Modbus Tools Modbus Slave up to 7.5.1 and classified as critical.

Published Dec 30, 2022CWE-120EPSS 0.61%

Overview

CVE-2022-4856 is a medium-severity vulnerability. 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, patches, and mitigation guidance. 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.

References

GitHubgithub.com/Durian1546/vul/blob/main/webray.com.cn/Modbus%20Slave/Modbus%20Slave%20(version%207.5.1%20and%20earlier)%20mbs%20file%20has%20a%20buffer%20overflow%20vulnerability.mdGitHubgithub.com/Durian1546/vul/blob/main/webray.com.cn/Modbus%20Slave/poc/poc.mbsRefvuldb.com/?ctiid.217021Refvuldb.com/?id.217021GitHubgithub.com/Durian1546/vul/blob/main/webray.com.cn/Modbus%20Slave/Modbus%20Slave%20(version%207.5.1%20and%20earlier)%20mbs%20file%20has%20a%20buffer%20overflow%20vulnerability.mdGitHubgithub.com/Durian1546/vul/blob/main/webray.com.cn/Modbus%20Slave/poc/poc.mbsRefvuldb.com/?ctiid.217021Refvuldb.com/?id.217021

How CyberStrike helps

Frequently asked questions

What is CVE-2022-4856?

CVE-2022-4856 is a medium-severity vulnerability. 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, patches, and mitigation guidance. 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 is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-4856 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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