CVE-2021-21479: Remote Code Execution in SCIMono

com.sap.scimono:scimono-server Updated 02 Oct 2025

Summary

10/02/2021

Disclosed on

CVE-2021-21479

CVE

Yes i

Fix available

High

Severity

Not published

CVSS Score

CVE-2021-21479: Remote Code Execution in SCIMono. Affects com.sap.scimono:scimono-server versions < 0.0.19. Fixed in 0.0.19. How to fix ↓

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Background

SCIMono is a Maven package that provides a server implementation for the System for Cross-domain Identity Management (SCIM) protocol. SCIM is an open standard for managing user identities across different systems. The package allows developers to build SCIM-compliant servers. However, a vulnerability has been discovered in SCIMono that allows an attacker to inject and execute Java expressions, potentially compromising the availability and integrity of the system.

Vulnerability Detail

The vulnerability in SCIMono allows an attacker to inject and execute Java expressions. This can lead to remote code execution, enabling the attacker to take control of the affected system. The impact of this vulnerability includes unauthorized access, data manipulation, and disruption of service. The vulnerability is rated as HIGH severity and is assigned the following Common Weakness Enumeration (CWE) IDs: CWE-59, CWE-62, CWE-690, CWE-74, CWE-77, CWE-917.

How To Fix

Minimum fixed version

0.0.19

This is the first release that contains the fix.

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Workaround

There is no known workaround for this vulnerability. It is crucial to update the SCIMono package to the fixed version as soon as possible.

Conclusion

The vulnerability in SCIMono allows for remote code execution, posing a significant risk to the affected systems. It is crucial to update the SCIMono package to version 0.0.19 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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