critical
9.8
CWE
255
Advisory Published
Updated

CVE-2020-7533

First published: Tue Dec 01 2020(Updated: )

A CWE-255: Credentials Management vulnerability exists in Web Server on Modicon M340, Modicon Quantum and ModiconPremium Legacy offers and their Communication Modules (see security notification for version information) which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests.

Credit: cybersecurity@se.com cybersecurity@se.com

Affected SoftwareAffected VersionHow to fix
Schneider-electric Bmxp3420302 Firmware<3.20
Schneider-electric Bmxp3420302
Schneider-electric Bmxp342000 Firmware<3.20
Schneider-electric Bmxp342000
Schneider-electric Bmxp341000 Firmware<3.20
Schneider-electric Bmxp341000
Schneider-electric Bmxp3420102 Firmware<3.20
Schneider-electric Bmxp3420102
Schneider-electric Bmxnoe0100 Firmware<3.3
Schneider-electric Bmxnoe0100
Schneider-electric Bmxnoe0110 Firmware<6.5
Schneider-electric Bmxnoe0110
Schneider-electric Bmxnoc0401 Firmware<2.10
Schneider-electric Bmxnoc0401
Schneider-electric Tsxp574634 Firmware<6.1
Schneider-electric Tsxp574634
Schneider-electric Tsxp575634 Firmware<6.1
Schneider-electric Tsxp575634
Schneider-electric Tsxp576634 Firmware<6.1
Schneider-electric Tsxp576634
Schneider-electric Tsxety4103 Firmware<6.2
Schneider-electric Tsxety4103
Schneider-electric Tsxety5103 Firmware<6.4
Schneider-electric Tsxety5103
Schneider-electric 140noe77111 Firmware<7.1
Schneider-electric 140noe77111
Schneider-electric 140noc78000 Firmware<1.74
Schneider-electric 140noc78000
Schneider-electric 140noc77101 Firmware<1.08
Schneider-electric 140noc77101
Schneider-electric 140cpu65260 Firmware<6.1
Schneider-electric 140cpu65260
All of
Schneider-electric Modicon M340 Bmxp3420302 Firmware<3.20
Schneider-electric Modicon M340 Bmxp3420302
All of
Schneider-electric Modicon M340 Bmxp342000 Firmware<3.20
Schneider-electric Modicon M340 Bmxp342000
All of
Schneider-electric Modicon M340 Bmxp341000 Firmware<3.20
Schneider-electric Modicon M340 Bmxp341000
All of
Schneider-electric Modicon M340 Bmxp3420102 Firmware<3.20
Schneider-electric Modicon M340 Bmxp3420102
All of
Schneider-electric Bmxnoe0100 Firmware<3.3
Schneider-electric Bmxnoe0100
All of
Schneider-electric Bmxnoe0110 Firmware<6.5
Schneider-electric Bmxnoe0110
All of
Schneider-electric Bmxnoc0401 Firmware<2.10
Schneider-electric Bmxnoc0401
All of
Schneider-electric Tsxp574634 Firmware<6.1
Schneider-electric Tsxp574634
All of
Schneider-electric Tsxp575634 Firmware<6.1
Schneider-electric Tsxp575634
All of
Schneider-electric Tsxp576634 Firmware<6.1
Schneider-electric Tsxp576634
All of
Schneider-electric Tsxety4103 Firmware<6.2
Schneider-electric Tsxety4103
All of
Schneider-electric Tsxety5103 Firmware<6.4
Schneider-electric Tsxety5103
All of
Schneider-electric 140noe77111 Firmware<7.1
Schneider-electric 140noe77111
All of
Schneider-electric 140noc78000 Firmware<1.74
Schneider-electric 140noc78000
All of
Schneider-electric 140noc77101 Firmware<1.08
Schneider-electric 140noc77101
All of
Schneider-electric 140cpu65260 Firmware<6.1
Schneider-electric 140cpu65260

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Reference Links

Frequently Asked Questions

  • What is the severity of CWE-255: Credentials Management vulnerability (CVE-2020-7533)?

    The severity of CWE-255: Credentials Management vulnerability (CVE-2020-7533) is critical with a severity value of 9.8.

  • Which software versions are affected by CWE-255: Credentials Management vulnerability (CVE-2020-7533)?

    The affected software versions for CWE-255: Credentials Management vulnerability (CVE-2020-7533) are Schneider-electric Bmxp3420302 Firmware up to version 3.20, Schneider-electric Bmxp342000 Firmware up to version 3.20, Schneider-electric Bmxp341000 Firmware up to version 3.20, and Schneider-electric Bmxnoe0100 Firmware up to version 3.3.

  • What is the recommended action to fix CWE-255: Credentials Management vulnerability (CVE-2020-7533)?

    To fix CWE-255: Credentials Management vulnerability (CVE-2020-7533), the vendor recommends updating to a version that addresses the vulnerability. Refer to the security notification for version information.

  • Where can I find more information about CWE-255: Credentials Management vulnerability (CVE-2020-7533)?

    More information about CWE-255: Credentials Management vulnerability (CVE-2020-7533) can be found in the security notification provided by the vendor.

  • What is the CWE ID for CVE-2020-7533?

    The CWE ID for CVE-2020-7533 is 255 (Credentials Management).

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