CVE-2020-7540

A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause unauthenticated command execution in the controller when sending special HTTP requests.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
schneiderCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 53%
VendorProductVersion
schneider-electricmodicon_m340_bmxp341000_firmware
𝑥
< 3.30
schneider-electricmodicon_m340_bmxp342000_firmware
𝑥
< 3.30
schneider-electricmodicon_m340_bmxp3420102_firmware
𝑥
< 3.30
schneider-electricmodicon_m340_bmxp3420102cl_firmware
𝑥
< 3.30
schneider-electricmodicon_m340_bmxp342020_firmware
𝑥
< 3.30
schneider-electricmodicon_m340_bmxp3420302_firmware
𝑥
< 3.30
schneider-electricmodicon_m340_bmxp3420302cl_firmware
𝑥
< 3.30
schneider-electricbmxnoe0100_firmware
𝑥
< 3.3
schneider-electricbmxnoe0110_firmware
𝑥
< 6.5
schneider-electric140noe77101_firmware
𝑥
< 7.1
schneider-electric140noe77111_firmware
𝑥
< 7.1
schneider-electric140cpu65150_firmware
𝑥
< 6.1
schneider-electric140cpu65160_firmware
𝑥
< 6.1
schneider-electric140noc78000_firmware
𝑥
< 1.74
schneider-electric140noc78100_firmware
𝑥
< 1.74
schneider-electric140noc77101_firmware
𝑥
< 1.08
schneider-electrictsxp574634_firmware
𝑥
< 6.1
schneider-electrictsxp575634_firmware
𝑥
< 6.1
schneider-electrictsxp576634_firmware
𝑥
< 6.1
schneider-electrictsxety4103_firmware
𝑥
< 6.2
schneider-electrictsxety5103_firmware
𝑥
< 6.4
schneider-electricbmxnoc0401_firmware
𝑥
< 2.10
schneider-electricbmxnor200h_firmware
*
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.se.com/ww/en/download/document/SEVD-2020-343-04/
https://www.se.com/ww/en/download/document/SEVD-2020-343-04/