CVE-2022-37013 — This vulnerability allows remote attackers to create a denial-of-service conditi

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

01What is this vulnerability?

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…

02Affected products

Vendor	Product	Versions
Unified Automation	OPC UA C++ Demo Server	1.7.6-537 [with vendor rollup]

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-03-29T00:00:00.000Z
• Last modified: 2025-02-18T19:32:44.598Z

09References

• documentation.unified-automation.com — https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt
• www.zerodayinitiative.com — https://www.zerodayinitiative.com/advisories/ZDI-22-1029/