How severe is CVE-2023-39452?

CVE-2023-39452 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-2023-39452 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39452?

CVE-2023-39452 affects Socomec Modulys Gp Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39452?

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-2023-39452 published?

CVE-2023-39452 was published on 2023-09-18 and last updated on 2026-06-17.

CVE-2023-39452

CVE-2023-39452 is a high-severity vulnerability in Socomec Modulys Gp Firmware 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-256.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-256
Affected product: Socomec Modulys Gp Firmware
Published: 2023-09-18
Last modified: 2026-06-17

Description

The web application that owns the device clearly stores the credentials within the user management section. Obtaining this information can be done remotely due to the incorrect management of the sessions in the web application.

Frequently asked questions

What is CVE-2023-39452?: The web application that owns the device clearly stores the credentials within the user management section. Obtaining this information can be done remotely due to the incorrect management of the sessions in the web application.
How severe is CVE-2023-39452?: CVE-2023-39452 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-2023-39452 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39452?: CVE-2023-39452 affects Socomec Modulys Gp Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39452?: 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-2023-39452 published?: CVE-2023-39452 was published on 2023-09-18 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-250-03

Affected products (1)

cpe:2.3:o:socomec:modulys_gp_firmware:01.12.10:*:*:*:*:*:*:*

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CVE-2023-40221 — High (CVSS 8.8): The absence of filters when loading some sections in the web application of the vulnerable device allows potential…
CVE-2023-41965 — High (CVSS 7.5): Sending some requests in the web application of the vulnerable device allows information to be obtained due to the lack…
CVE-2023-38255 — Medium (CVSS 6.5): A potential attacker with or without (cookie theft) access to the device would be able to include malicious code (XSS)…
CVE-2023-38582 — Medium (CVSS 6.3): Persistent cross-site scripting (XSS) in the web application of MOD3GP-SY-120K allows an authenticated remote attacker…

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