What’s Vulnerable › Vulnerabilities
CVE-2020-7477
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-03-23 · updated 2026-06-17
- Weakness: CWE-754
Description
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Quantum Ethernet Network module 140NOE771x1 (Versions 7.0 and prior), Quantum processors with integrated Ethernet – 140CPU65xxxxx (all Versions), and Premium processors with integrated Ethernet (all Versions), which could cause a Denial of Service when sending a specially crafted command over Modbus.
Affected products
- Schneider-Electric 140Cpu65150 Firmware: all versions
- Schneider-Electric 140Cpu65160 Firmware: all versions
- Schneider-Electric 140Cpu65160S Firmware: all versions
- Schneider-Electric 140Cpu65260 Firmware: all versions
- Schneider-Electric 140Cpu65860 Firmware: all versions
- Schneider-Electric 140Cpu67060 Firmware: all versions
- Schneider-Electric 140Cpu67160 Firmware: all versions
- Schneider-Electric 140Cpu67160S Firmware: all versions
- Schneider-Electric 140Cpu67260 Firmware: all versions
- Schneider-Electric 140Cpu67261 Firmware: all versions
- Schneider-Electric 140Cpu67861 Firmware: all versions
- Schneider-Electric 140Noe77101 Firmware: through 7.0
- Schneider-Electric 140Noe77111 Firmware: through 7.0
- Schneider-Electric Tsxh5724M Firmware: all versions
- Schneider-Electric Tsxh5744M Firmware: all versions
- Schneider-Electric Tsxp57104M Firmware: all versions
- Schneider-Electric Tsxp57154M Firmware: all versions
- Schneider-Electric Tsxp571634M Firmware: all versions
- Schneider-Electric Tsxp57204M Firmware: all versions
- Schneider-Electric Tsxp57254M Firmware: all versions
- Schneider-Electric Tsxp572634M Firmware: all versions
- Schneider-Electric Tsxp57304M Firmware: all versions
- Schneider-Electric Tsxp573634M Firmware: all versions
- Schneider-Electric Tsxp57454M Firmware: all versions
- Schneider-Electric Tsxp574634M Firmware: all versions
- Schneider-Electric Tsxp57554M Firmware: all versions
- Schneider-Electric Tsxp575634M Firmware: all versions
- Schneider-Electric Tsxp576634M Firmware: all versions
References
- https://www.se.com/ww/en/download/document/SEVD-2020-070-02/
- https://www.se.com/ww/en/download/document/SEVD-2020-070-02/
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