documentation.unified-automation.com
https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt CVE-2022-37012
HIGH
Record summary
CVE-2022-37012 has a selected CVSS score of 7.5 (high).
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. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUa_SecureListener_ProcessSessionCallRequest method. A crafted OPC UA message can force the server to incorrectly update a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-16927.
Description source: CVE List
Exploitation context
CISA SSVC decision
ExploitationNone
AutomatableYes
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Feb 18, 2025 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
OPC UA C++ Demo ServerBrowse Unified Automation / OPC UA C++ Demo Server | CVE List | 1.7.6-537 | affected |
References
3nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2022-37012 zerodayinitiative.com
https://www.zerodayinitiative.com/advisories/ZDI-22-1030