Is CVE-2022-38742 actively exploited?

No active exploitation of CVE-2022-38742 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-38742 be exploited remotely?

Yes. CVE-2022-38742 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-38742?

CVE-2022-38742 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-38742

CWE-122Published: September 23, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Rockwell Automation ThinManager ThinServer versions 11.0.0 - 13.0.0 is vulnerable to a heap-based buffer overflow. An attacker could send a specifically crafted TFTP or HTTPS request, causing a heap-based buffer overflow that crashes the ThinServer process. If successfully exploited, this could expose the server to arbitrary remote code execution.

NVD Source

Technical Analysis

CVE-2022-38742 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.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.