Vulnerability · Published Mar 29, 2023 · Assigned by zdi
CVE-2022-37013
High 7.5
In plain English
A high-severity infinite loop in OPC UA C++ Demo Server from Unified Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 67% of all known vulnerabilities).
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unified Automation | OPC UA C++ Demo Server | 1.7.6-537 [with vendor rollup] |
Weakness: CWE-835 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H