Integer Overflow Issue in Siemens OPC UA Implementations
CVE-2023-28831
8.7HIGH
Key Information:
- Vendor
Siemens
- Status
- Vendor
- CVE Published:
- 12 September 2023
What is CVE-2023-28831?
The OPC UA implementations in Siemens products harbor an integer overflow vulnerability that can lead to an infinite loop during the certificate validation process. This condition could be exploited by an unauthenticated remote attacker utilizing a specially crafted certificate, resulting in a denial of service that impacts application availability and reliability.
Affected Version(s)
SIMATIC BRAUMAT 0
SIMATIC Cloud Connect 7 CC712 0
SIMATIC Cloud Connect 7 CC716 0