Is CVE-2025-55117 actively exploited?

No active exploitation of CVE-2025-55117 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-55117 be exploited remotely?

Yes. CVE-2025-55117 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-55117?

CVE-2025-55117 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2025-55117

CWE-121Published: September 16, 2025· Updated: Jun 17, 2026

5.3

CVSS v3.1

Official Description

A stack-based buffer overflow can be remotely triggered when formatting an error message in the Control-M/Agent when SSL/TLS communication is configured.

The issue occurs in the following cases:

* Control-M/Agent 9.0.20: SSL/TLS configuration is set to the non-default setting "use_openssl=n";

* Control-M/Agent 9.0.21 and 9.0.22: Agent router configuration uses the non-default settings "JAVA_AR=N" and "use_openssl=n".

NVD Source

Technical Analysis

CVE-2025-55117 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.