How severe is CVE-2023-32173?

CVE-2023-32173 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-32173 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-32173?

CVE-2023-32173 affects Unified-automation Uagateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-32173?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-32173 have an EU (EUVD) identifier?

Yes. CVE-2023-32173 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36441.

When was CVE-2023-32173 published?

CVE-2023-32173 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-32173

CVE-2023-32173 is a medium-severity vulnerability in Unified-automation Uagateway with a CVSS 3.x base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-91.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-36441
Weakness: CWE-91
Affected product: Unified-automation Uagateway
Published: 2024-05-03
Last modified: 2026-06-17

Description

Unified Automation UaGateway AddServer XML Injection 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 when the product is in its default configuration. The specific flaw exists within the implementation of the AddServer method. By specifying crafted arguments, an attacker can cause invalid characters to be inserted into an XML configuration file. An attacker can leverage this vulnerability to create a persistent denial-of-service condition on the system. . Was ZDI-CAN-20576.

Frequently asked questions

What is CVE-2023-32173?: Unified Automation UaGateway AddServer XML Injection 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 when the product is in its default configuration. The specific flaw exists within the implementation of the AddServer method. By specifying crafted arguments, an attacker can cause invalid characters to be inserted into an XML configuration file. An attacker can leverage this vulnerability to create a persistent denial-of-service condition on the system. . Was ZDI-CAN-20576.
How severe is CVE-2023-32173?: CVE-2023-32173 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-32173 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-32173?: CVE-2023-32173 affects Unified-automation Uagateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-32173?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-32173 have an EU (EUVD) identifier?: Yes. CVE-2023-32173 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36441.
When was CVE-2023-32173 published?: CVE-2023-32173 was published on 2024-05-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:unified-automation:uagateway:*:*:*:*:*:*:*:*

More vulnerabilities in Unified-automation Uagateway

CVE-2023-32174 — Critical (CVSS 9.1): Unified Automation UaGateway NodeManagerOpcUa Use-After-Free Remote Code Execution Vulnerability. This vulnerability…
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CVE-2023-32171 — Medium (CVSS 6.5): Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability…
CVE-2023-32170 — Medium (CVSS 6.5): Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability. This…

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