Improper input validation in Unified Automation Uagateway

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 class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.006 (44.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-32170?
CVE-2023-32170 is a medium-severity vulnerability in Unified Automation Uagateway, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2024-05-03.
How severe is CVE-2023-32170?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-32170 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.