High severity · published Nov 13, 2024
CVE-2024-8938
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause a potential arbitrary code execution after a successful…
8.1
CVSS
0.5%
EPSS
No
On KEV
Description
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could
cause a potential arbitrary code execution after a successful Man-In-The-Middle attack followed by sending a
crafted Modbus function call to tamper with memory area involved in memory size computation.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% 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
MM
Modicon MC80 (part numbers BMKC80) · Schneider Electric
All versions · source: vendor
MM
Modicon Momentum Unity M1E Processor (171CBU*) · Schneider Electric
All Versions · source: vendor
MM
Modicon M340 · Schneider-electric
before SV3.65 · source: CISA
MM
Modicon Mc80 · Schneider-electric
0 · source: CISA
MM
Modicon Momentum Unity M1e Processor · Schneider-electric
0 · source: CISA
Affected product
MM
Modicon M340 CPU (part numbers BMXP34*)
Schneider Electric
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-8938
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-8938
download.schneider-electric.com
https://download.schneider-electric.com/doc/SEVD-2024-317-03/SEVD-2024-317-03.pdf
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