Is CVE-2023-22357 actively exploited?

No active exploitation of CVE-2023-22357 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-22357 be exploited remotely?

Yes. CVE-2023-22357 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-22357?

CVE-2023-22357 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-22357

CRITICAL

CVE-2023-22357

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

9.8

CVSS v3.1

Official Description

Active debug code exists in OMRON CP1L-EL20DR-D all versions, which may lead to a command that is not specified in FINS protocol being executed without authentication. A remote unauthenticated attacker may read/write in arbitrary area of the device memory, which may lead to overwriting the firmware, causing a denial-of-service (DoS) condition, and/or arbitrary code execution.

NVD Source

Technical Analysis

CVE-2023-22357 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.