Is CVE-2022-43977 actively exploited?

No active exploitation of CVE-2022-43977 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-43977 be exploited remotely?

Yes. CVE-2022-43977 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-43977?

CVE-2022-43977 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-43977

NVD-CWE-OtherPublished: January 17, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

An issue was discovered on GE Grid Solutions MS3000 devices before 3.7.6.25p0_3.2.2.17p0_4.7p0. The debug port accessible via TCP (a qconn service) lacks access control.

NVD Source

Technical Analysis

CVE-2022-43977 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.