Paper/Archive/CVE-2024-11737

CVE-2024-11737

Schneider Electric Modicon Controllers M241 / M251 — CWE-20: Improper Input Validation vulnerability exists that could lead to a denial of service and a loss of confidentiality, integrity of…

EPSS 0.6%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (CNA)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 50.5.505 × 2010.1 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

Modicon Controllers M241 / M251All versions–CNA

Modicon Controllers M258 / LMC058All versions–CNA

Scores by source

schneider (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

schneider (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refdownload.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