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CVE-2020-7533

CRITICALCVSS 9.8/10EPSS 2.30%

Last modified

CVE-2020-7533 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. CWE-287: Improper Authentication vulnerability exists which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests.. EPSS estimates a 2.30% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
2.30%

81.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Schneider-ElectricModicon M340 Bmxp3420302 Firmware< 3.20
Schneider-ElectricModicon M340 Bmxp342000 Firmware< 3.20
Schneider-ElectricModicon M340 Bmxp341000 Firmware< 3.20
Schneider-ElectricModicon M340 Bmxp3420102 Firmware< 3.20
Schneider-ElectricBmxnoe0100 Firmware< 3.3
Schneider-ElectricBmxnoe0110 Firmware< 6.5
Schneider-ElectricBmxnoc0401 Firmware< 2.10
Schneider-ElectricTsxp574634 Firmware< 6.1
Schneider-ElectricTsxp575634 Firmware< 6.1
Schneider-ElectricTsxp576634 Firmware< 6.1
Schneider-ElectricTsxety4103 Firmware< 6.2
Schneider-ElectricTsxety5103 Firmware< 6.4
Schneider-Electric140noe77111 Firmware< 7.1
Schneider-Electric140noc78000 Firmware< 1.74
Schneider-Electric140noc77101 Firmware< 1.08
Schneider-Electric140cpu65260 Firmware< 6.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2020-7533?
CVE-2020-7533 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.30% probability of exploitation in the next 30 days.
How do I fix CVE-2020-7533?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7533?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST