How severe is CVE-2023-4516?

CVE-2023-4516 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-4516 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4516?

CVE-2023-4516 affects Schneider-electric Interactive Graphical Scada System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4516?

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-2023-4516 published?

CVE-2023-4516 was published on 2023-09-14 and last updated on 2026-06-17.

CVE-2023-4516

CVE-2023-4516 is a high-severity vulnerability in Schneider-electric Interactive Graphical Scada System with a CVSS 3.x base score of 7.8. 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-306.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Schneider-electric Interactive Graphical Scada System
Published: 2023-09-14
Last modified: 2026-06-17

Description

A CWE-306: Missing Authentication for Critical Function vulnerability exists in the IGSS Update Service that could allow a local attacker to change update source, potentially leading to remote code execution when the attacker force an update containing malicious content.

Frequently asked questions

What is CVE-2023-4516?: A CWE-306: Missing Authentication for Critical Function vulnerability exists in the IGSS Update Service that could allow a local attacker to change update source, potentially leading to remote code execution when the attacker force an update containing malicious content.
How severe is CVE-2023-4516?: CVE-2023-4516 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-4516 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4516?: CVE-2023-4516 affects Schneider-electric Interactive Graphical Scada System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4516?: 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-2023-4516 published?: CVE-2023-4516 was published on 2023-09-14 and last updated on 2026-06-17.

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-255-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-255-01.pdf

Affected products (1)

cpe:2.3:a:schneider-electric:interactive_graphical_scada_system:*:*:*:*:*:*:*:*

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