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CVE-2022-21167

7.5 · HIGH

All versions of package masuit.tools.core are vulnerable to Arbitrary Code Execution via the ReceiveVarData<T> function in the SocketClient.cs component.

Published May 1, 2022EPSS 1.45%

Overview

CVE-2022-21167 is a high-severity vulnerability. It was published on May 1, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

All versions of package masuit.tools.core are vulnerable to Arbitrary Code Execution via the ReceiveVarData<T> function in the SocketClient.cs component. The socket client in the package can pass in the payload via the user-controllable input after it has been established, because this socket client transmission does not have the appropriate restrictions or type bindings for the BinaryFormatter.

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/ldqk/Masuit.Tools/blob/327f42b9f20f25bb66188672199c8265fc968d91/Masuit.Tools.Abstractions/Net/SocketClient.cs%23L197Refsnyk.io/vuln/SNYK-DOTNET-MASUITTOOLSCORE-2316875GitHubgithub.com/ldqk/Masuit.Tools/blob/327f42b9f20f25bb66188672199c8265fc968d91/Masuit.Tools.Abstractions/Net/SocketClient.cs%23L197Refsnyk.io/vuln/SNYK-DOTNET-MASUITTOOLSCORE-2316875

How CyberStrike helps

Frequently asked questions

What is CVE-2022-21167?

CVE-2022-21167 is a high-severity vulnerability. It was published on May 1, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2022-21167?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-21167?

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-2022-21167?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-21167 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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