Is CVE-2022-37013 actively exploited?

No active exploitation of CVE-2022-37013 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-37013 be exploited remotely?

Yes. CVE-2022-37013 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-37013?

CVE-2022-37013 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2022-37013

CWE-835Published: March 29, 2023· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537 [with vendor rollup]. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of certificates. A crafted certificate can force the server into an infinite loop. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-17203.

NVD Source

Technical Analysis

CVE-2022-37013 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 availability disruption (denial of service), with a CVSS base score of 7.5.