Is CVE-2022-2640 actively exploited?

No active exploitation of CVE-2022-2640 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-2640 be exploited remotely?

Yes. CVE-2022-2640 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-2640?

CVE-2022-2640 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2022-2640

CWE-326Published: December 2, 2022· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

The Config-files of Horner Automation’s RCC 972 with firmware version 15.40 are encrypted with weak XOR encryption vulnerable to reverse engineering. This could allow an attacker to obtain credentials to run services such as File Transfer Protocol (FTP) and Hypertext Transfer Protocol (HTTP).

NVD Source

Technical Analysis

CVE-2022-2640 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), with a CVSS base score of 7.5.