What’s Vulnerable › Vulnerabilities

CVE-2022-37013

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-29 · updated 2026-06-17
• Weakness: CWE-835

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.

Affected products

• Unified Automation OPC UA C++ Demo Server: 1.7.6.537

References

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

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