What’s Vulnerable › Vulnerabilities

CVE-2020-7563

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-18 · updated 2026-06-17
• Weakness: CWE-787

Description

A CWE-787: Out-of-bounds Write vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details) which could cause corruption of data, a crash, or code execution when uploading a specially crafted file on the controller over FTP.

Affected products

• Schneider-Electric Modicon M340 Bmx Noc 0401 Firmware: all versions
• Schneider-Electric Modicon M340 Bmx Noe 0100 Firmware: all versions
• Schneider-Electric Modicon M340 Bmx Noe 0100H Firmware: all versions
• Schneider-Electric Modicon M340 Bmx Noe 0110 Firmware: all versions
• Schneider-Electric Modicon M340 Bmx Noe 0110H Firmware: all versions
• Schneider-Electric Modicon M340 Bmx Nor 0200H Firmware: all versions
• Schneider-Electric Modicon M340 Bmx P34-2010 Firmware: all versions
• Schneider-Electric Modicon M340 Bmx P34-2030 Firmware: all versions
• Schneider-Electric Modicon Quantum 140Cpu65150 Firmware: all versions
• Schneider-Electric Modicon Quantum 140Cpu65150C Firmware: all versions
• Schneider-Electric Modicon Quantum 140Cpu65160 Firmware: all versions
• Schneider-Electric Modicon Quantum 140Cpu65160C Firmware: all versions
• Schneider-Electric Modicon Quantum 140Noc78100 Firmware: all versions
• Schneider-Electric Modicon Quantum 140Noe77101 Firmware: all versions
• Schneider-Electric Modicon Quantum 140Noe77111 Firmware: all versions
• Schneider-Electric Modicon Tsxety4103 Firmware: all versions
• Schneider-Electric Modicon Tsxety5103 Firmware: all versions
• Schneider-Electric Modicon Tsxp574634 Firmware: all versions
• Schneider-Electric Modicon Tsxp575634 Firmware: all versions
• Schneider-Electric Modicon Tsxp576634 Firmware: all versions

References

• https://www.se.com/ww/en/download/document/SEVD-2020-315-01/
• https://www.se.com/ww/en/download/document/SEVD-2020-315-01/

Get alerted when CVE-2020-7563 or the next vulnerability affects your stack