How severe is CVE-2024-11737?

CVE-2024-11737 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-11737 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-11737?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-11737 have an EU (EUVD) identifier?

Yes. CVE-2024-11737 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34178.

When was CVE-2024-11737 published?

CVE-2024-11737 was published on 2024-12-11 and last updated on 2026-06-17.

CVE-2024-11737

CVE-2024-11737 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-34178
Weakness: CWE-20
Published: 2024-12-11
Last modified: 2026-06-17

Description

CWE-20: Improper Input Validation vulnerability exists that could lead to a denial of service and a loss of confidentiality, integrity of the controller when an unauthenticated crafted Modbus packet is sent to the device.

Frequently asked questions

What is CVE-2024-11737?: CWE-20: Improper Input Validation vulnerability exists that could lead to a denial of service and a loss of confidentiality, integrity of the controller when an unauthenticated crafted Modbus packet is sent to the device.
How severe is CVE-2024-11737?: CVE-2024-11737 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-11737 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-11737?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-11737 have an EU (EUVD) identifier?: Yes. CVE-2024-11737 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34178.
When was CVE-2024-11737 published?: CVE-2024-11737 was published on 2024-12-11 and last updated on 2026-06-17.

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2024-345-03&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2024-345-03.pdf

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