Vulnerability Details : CVE-2023-32170
Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. User interaction is required to exploit this vulnerability in that the target must choose to accept a client certificate.
The specific flaw exists within the processing of client certificates. The issue results from the lack of proper validation of certificate data. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20494.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2023-32170
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Exploit prediction scoring system (EPSS) score for CVE-2023-32170
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-32170
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
Zero Day Initiative | 2024-05-03 |
CWE ids for CVE-2023-32170
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2023-32170
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https://www.zerodayinitiative.com/advisories/ZDI-23-775/
ZDI-23-775 | Zero Day Initiative
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https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt
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