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CRITICAL · 9.8

CVE-2020-7533

CWE-287: Improper Authentication vulnerability exists which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests.

Vulnerability Description

CWE-287: Improper Authentication vulnerability exists which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Schneider-ElectricModicon M340 Bmxp3420302 Firmware< 3.20
Schneider-ElectricModicon M340 Bmxp3420302-
Schneider-ElectricModicon M340 Bmxp342000 Firmware< 3.20
Schneider-ElectricModicon M340 Bmxp342000-
Schneider-ElectricModicon M340 Bmxp341000 Firmware< 3.20
Schneider-ElectricModicon M340 Bmxp341000-
Schneider-ElectricModicon M340 Bmxp3420102 Firmware< 3.20
Schneider-ElectricModicon M340 Bmxp3420102-
Schneider-ElectricBmxnoe0100 Firmware< 3.3
Schneider-ElectricBmxnoe0100-
Schneider-ElectricBmxnoe0110 Firmware< 6.5
Schneider-ElectricBmxnoe0110-
Schneider-ElectricBmxnoc0401 Firmware< 2.10
Schneider-ElectricBmxnoc0401-
Schneider-ElectricTsxp574634 Firmware< 6.1
Schneider-ElectricTsxp574634-
Schneider-ElectricTsxp575634 Firmware< 6.1
Schneider-ElectricTsxp575634-
Schneider-ElectricTsxp576634 Firmware< 6.1
Schneider-ElectricTsxp576634-

Related Weaknesses (CWE)

CWE-287

References

FAQ

What is CVE-2020-7533?

CVE-2020-7533 is a vulnerability with a CVSS score of 9.8 (CRITICAL). CWE-287: Improper Authentication vulnerability exists which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests.

How severe is CVE-2020-7533?

CVE-2020-7533 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-7533?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Modicon M340 Bmxp3420302 Firmware, Schneider-Electric Modicon M340 Bmxp3420302, Schneider-Electric Modicon M340 Bmxp342000 Firmware, Schneider-Electric Modicon M340 Bmxp342000, Schneider-Electric Modicon M340 Bmxp341000 Firmware.