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 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LM
Legacy Modicon Quantum/Premium · Schneider Electric
All Versions · source: vendor
MM
Modicon M340 CPU (part numbers BMXP34*) · Schneider Electric
V through 3.40 · source: vendor
MM
Modicon M580 CPU (part numbers BMEP* and BMEH*) · Schneider Electric
V through 3.22 · source: vendor
MM
Modicon MC80 (BMKC80) · Schneider Electric
V through 1.7 · source: vendor
MM
Modicon Momentum MDI (171CBU*) · Schneider Electric
All Versions · source: vendor
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
Affected product
LM
Legacy Modicon Quantum/Premium
Schneider Electric