CVE-2022-37301 — Integer Underflow (Wrap or Wraparound) in Modicon M340 BMX P34-2010 Firmware

CWE-191 — Integer Underflow (Wrap or Wraparound)3 documents3 sources

Severity

7.5HIGHNVD

EPSS

0.5%

top 32.47%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Schneider-electric Modicon M340 BMX P34-2010 Firmware Schneider-electric Modicon M340 BMX P34-2030 Firmware Schneider-electric Modicon M580 Bmeh582040 Firmware +32 more

Timeline

PublishedNov 22

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:HExploitability: 3.9 | Impact: 3.6

Affected Packages35 packages

▶CVEListV5schneider_electric/legacy_modicon_quantum_premiumAll Versions

▶NVDschneider-electric/modicon_mc80_bmkc8020301_firmware< 1.8

▶NVDschneider-electric/modicon_mc80_bmkc8020310_firmware< 1.8

▶NVDschneider-electric/modicon_mc80_bmkc8030311_firmware< 1.8

▶NVDschneider-electric/modicon_m580_bmeh582040_firmware< 4.01

🔴Vulnerability Details

GHSA

GHSA-4v3w-rm54-5xg3: A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access vio↗2022-11-22

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CVEList

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 vio↗2022-11-22

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