Vulnerability Details : CVE-2023-32171
Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability.
The specific flaw exists within the ImportCsv method. A crafted XML payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20495.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2023-32171
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Exploit prediction scoring system (EPSS) score for CVE-2023-32171
1.35%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-32171
| 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:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
Zero Day Initiative | 2024-05-03 |
CWE ids for CVE-2023-32171
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The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2023-32171
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https://www.zerodayinitiative.com/advisories/ZDI-23-776/
ZDI-23-776 | Zero Day Initiative
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https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt
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