Critical severity · published Dec 11, 2024
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…
9.8
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
Modicon Controllers M241 / M251 · Schneider Electric
All versions · source: vendor
MC
Modicon Controllers M258 / LMC058 · Schneider Electric
All versions · source: vendor
Affected product
MC
Modicon Controllers M241 / M251
Schneider Electric
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-11737
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-11737
download.schneider-electric.com
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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