High severity · published Nov 22, 2022
CVE-2022-37301
A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access violations when using the Modbus…
7.5
CVSS
0.8%
EPSS
No
On KEV
Description
A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access violations when using the Modbus TCP protocol. Affected products: Modicon M340 CPU (part numbers BMXP34*)(V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*)(V3.22 and prior), Legacy Modicon Quantum/Premium(All Versions), Modicon Momentum MDI (171CBU*)(All Versions), Modicon MC80 (BMKC80)(V1.7 and prior)
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
Modicon M340 Bmx P34-2010 Firmware · Schneider-electric
before 3.50 · source: NVD
MM
Modicon M340 Bmx P34-2030 Firmware · Schneider-electric
before 3.50 · source: NVD
MM
Modicon M580 Bmeh582040 Firmware · Schneider-electric
before 4.01 · source: NVD
MM
Modicon M580 Bmeh582040c Firmware · Schneider-electric
before 4.01 · source: NVD
MM
Modicon M580 Bmeh582040s Firmware · Schneider-electric
before 4.01 · source: NVD
MM
Modicon M580 Bmeh584040 Firmware · Schneider-electric
before 4.01 · source: NVD
MM
Modicon M580 Bmeh584040c Firmware · Schneider-electric
before 4.01 · source: NVD
MM
Modicon M580 Bmeh584040s Firmware · Schneider-electric
before 4.01 · source: NVD
MM
Modicon M580 Bmeh586040 Firmware · Schneider-electric
before 4.01 · source: NVD
MM
Modicon M580 Bmeh586040c Firmware · Schneider-electric
before 4.01 · source: NVD
MM
Modicon M580 Bmeh586040s Firmware · Schneider-electric
before 4.01 · source: NVD
MM
Modicon M580 Bmep581020 Firmware · Schneider-electric
before 4.01 · source: NVD
Affected product
MM
Modicon M340 Bmx P34-2010 Firmware
Schneider-electric
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-37301
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-37301
Vendor Advisory
https://www.se.com/us/en/download/document/SEVD-2022-221-02/
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