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CVE-2022-21167

CRITICALCVSS 9.8/10EPSS 1.33%

Last modified

CVE-2022-21167 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.33% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.33%

67.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
LdqkMasuit.ToolsAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-21167?
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.
How severe is CVE-2022-21167?
CVE-2022-21167 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.33% probability of exploitation in the next 30 days.
How do I fix CVE-2022-21167?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-21167?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST