Medium severity · published Nov 13, 2024
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…
6.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
Modicon M340 CPU (part numbers BMXP34*) · Schneider Electric
Versions prior to SV3.65 · source: vendor
Affected product
MM
Modicon M340 CPU (part numbers BMXP34*)
Schneider Electric
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-8936
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-8936
download.schneider-electric.com
https://download.schneider-electric.com/doc/SEVD-2024-317-03/SEVD-2024-317-03.pdf
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