CVEvulnerability
CVE-2022-37013
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-03-29
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- 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 configurations
• unified-automation opc ua c\+\+ demo server 1.7.6.537
Related
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness
References
- https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt Release Notes
- https://www.zerodayinitiative.com/advisories/ZDI-22-1029/ Third Party Advisory, VDB Entry
- https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt Release Notes
- https://www.zerodayinitiative.com/advisories/ZDI-22-1029/ Third Party Advisory, VDB Entry