CVE-2023-32170
Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability.
Does this matter?
Lower severity and a low EPSS score (0.59%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.59% probability · 46th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- unified-automation/uagateway
- Source
- zdi-disclosures@trendmicro.com
References
- https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txtRelease Notes
- https://www.zerodayinitiative.com/advisories/ZDI-23-775/Third Party Advisory
- https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txtRelease Notes
- https://www.zerodayinitiative.com/advisories/ZDI-23-775/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.