How severe is CVE-2024-8938?

CVE-2024-8938 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-8938 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-8938?

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.

Does CVE-2024-8938 have an EU (EUVD) identifier?

Yes. CVE-2024-8938 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49496.

When was CVE-2024-8938 published?

CVE-2024-8938 was published on 2024-11-13 and last updated on 2026-06-17.

CVE-2024-8938

CVE-2024-8938 is a high-severity vulnerability with a CVSS 3.x base score of 8.1. 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-119.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v4: 9.2
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-49496
Weakness: CWE-119
Published: 2024-11-13
Last modified: 2026-06-17

Description

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause a potential arbitrary code execution after a successful Man-In-The-Middle attack followed by sending a crafted Modbus function call to tamper with memory area involved in memory size computation.

Frequently asked questions

What is CVE-2024-8938?: CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause a potential arbitrary code execution after a successful Man-In-The-Middle attack followed by sending a crafted Modbus function call to tamper with memory area involved in memory size computation.
How severe is CVE-2024-8938?: CVE-2024-8938 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-8938 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-8938?: 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.
Does CVE-2024-8938 have an EU (EUVD) identifier?: Yes. CVE-2024-8938 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49496.
When was CVE-2024-8938 published?: CVE-2024-8938 was published on 2024-11-13 and last updated on 2026-06-17.

References

https://download.schneider-electric.com/doc/SEVD-2024-317-03/SEVD-2024-317-03.pdf

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