CVE-2022-37013

Name: CVE-2022-37013
Creator: NVD / NIST
Published: 2023-03-29T19:15:12.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.15%

Last modified Jun 17, 2026

CVE-2022-37013 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.15% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.15%

62.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-835

Affected Software

Vendor	Product	Versions
Unified-Automation	Opc Ua C\+\+ Demo Server	1.7.6.537

References

https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txtRelease Notes
https://www.zerodayinitiative.com/advisories/ZDI-22-1029/Third Party Advisory, VDB Entry
https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txtRelease Notes
https://www.zerodayinitiative.com/advisories/ZDI-22-1029/Third Party Advisory, VDB Entry

Timeline

Published: Mar 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-37013?

How severe is CVE-2022-37013?

CVE-2022-37013 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2022-37013?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-37013?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST