How severe is CVE-2023-39446?

CVE-2023-39446 has a CVSS 3.x base score of 8.9, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity high, and availability high.

Is CVE-2023-39446 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39446?

CVE-2023-39446 affects Socomec Modulys Gp Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39446?

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-2023-39446 published?

CVE-2023-39446 was published on 2023-09-18 and last updated on 2026-06-17.

CVE-2023-39446

CVE-2023-39446 is a high-severity vulnerability in Socomec Modulys Gp Firmware with a CVSS 3.x base score of 8.9. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.9)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Socomec Modulys Gp Firmware
Published: 2023-09-18
Last modified: 2026-06-17

Description

Thanks to the weaknesses that the web application has at the user management level, an attacker could obtain the information from the headers that is necessary to create specially designed URLs and originate malicious actions when a legitimate user is logged into the web application.

Frequently asked questions

What is CVE-2023-39446?: Thanks to the weaknesses that the web application has at the user management level, an attacker could obtain the information from the headers that is necessary to create specially designed URLs and originate malicious actions when a legitimate user is logged into the web application.
How severe is CVE-2023-39446?: CVE-2023-39446 has a CVSS 3.x base score of 8.9, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2023-39446 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39446?: CVE-2023-39446 affects Socomec Modulys Gp Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39446?: 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-2023-39446 published?: CVE-2023-39446 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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