How severe is CVE-2023-46590?

CVE-2023-46590 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-46590 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-46590?

CVE-2023-46590 affects Siemens Siemens Opc Ua Modeling Editor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-46590?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-46590 published?

CVE-2023-46590 was published on 2023-11-14 and last updated on 2026-06-17.

CVE-2023-46590

CVE-2023-46590 is a high-severity vulnerability in Siemens Siemens Opc Ua Modeling Editor with a CVSS 3.x base score of 7.5. 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-611.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Siemens Siemens Opc Ua Modeling Editor
Published: 2023-11-14
Last modified: 2026-06-17

Description

A vulnerability has been identified in Siemens OPC UA Modelling Editor (SiOME) (All versions < V2.8). Affected products suffer from a XML external entity (XXE) injection vulnerability. This vulnerability could allow an attacker to interfere with an application's processing of XML data and read arbitrary files in the system.

Frequently asked questions

What is CVE-2023-46590?: A vulnerability has been identified in Siemens OPC UA Modelling Editor (SiOME) (All versions < V2.8). Affected products suffer from a XML external entity (XXE) injection vulnerability. This vulnerability could allow an attacker to interfere with an application's processing of XML data and read arbitrary files in the system.
How severe is CVE-2023-46590?: CVE-2023-46590 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-46590 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-46590?: CVE-2023-46590 affects Siemens Siemens Opc Ua Modeling Editor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-46590?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-46590 published?: CVE-2023-46590 was published on 2023-11-14 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-197270.pdf

Affected products (1)

cpe:2.3:a:siemens:siemens_opc_ua_modeling_editor:*:*:*:*:*:*:*:*

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