How severe is CVE-2024-8936?

CVE-2024-8936 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2024-8936 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.

How do I fix CVE-2024-8936?

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

Does CVE-2024-8936 have an EU (EUVD) identifier?

Yes. CVE-2024-8936 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49494.

When was CVE-2024-8936 published?

CVE-2024-8936 was published on 2024-11-13 and last updated on 2026-06-17.

CVE-2024-8936

CVE-2024-8936 is a medium-severity vulnerability 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 8.3
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-49494
Weakness: CWE-20
Published: 2024-11-13
Last modified: 2026-06-17

Description

CWE-20: Improper Input Validation vulnerability exists that could lead to loss of confidentiality of controller memory after a successful Man-In-The-Middle attack followed by sending a crafted Modbus function call used to tamper with memory.

Frequently asked questions

What is CVE-2024-8936?: CWE-20: Improper Input Validation vulnerability exists that could lead to loss of confidentiality of controller memory after a successful Man-In-The-Middle attack followed by sending a crafted Modbus function call used to tamper with memory.
How severe is CVE-2024-8936?: CVE-2024-8936 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2024-8936 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.
How do I fix CVE-2024-8936?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-8936 have an EU (EUVD) identifier?: Yes. CVE-2024-8936 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49494.
When was CVE-2024-8936 published?: CVE-2024-8936 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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