How severe is CVE-2023-38255?

CVE-2023-38255 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-38255 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38255?

CVE-2023-38255 affects Socomec Modulys Gp Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38255?

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

When was CVE-2023-38255 published?

CVE-2023-38255 was published on 2023-09-18 and last updated on 2026-06-17.

CVE-2023-38255

CVE-2023-38255 is a medium-severity vulnerability in Socomec Modulys Gp Firmware with a CVSS 3.x base score of 6.5. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Socomec Modulys Gp Firmware
Published: 2023-09-18
Last modified: 2026-06-17

Description

A potential attacker with or without (cookie theft) access to the device would be able to include malicious code (XSS) when uploading new device configuration that could affect the intended function of the device.

Frequently asked questions

What is CVE-2023-38255?: A potential attacker with or without (cookie theft) access to the device would be able to include malicious code (XSS) when uploading new device configuration that could affect the intended function of the device.
How severe is CVE-2023-38255?: CVE-2023-38255 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-38255 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38255?: CVE-2023-38255 affects Socomec Modulys Gp Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38255?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-38255 published?: CVE-2023-38255 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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