CVE-2022-45789

Description

A CWE-294: Authentication Bypass by Capture-replay vulnerability exists that could cause execution of unauthorized Modbus functions on the controller when hijacking an authenticated Modbus session. Affected Products: EcoStruxure Control Expert (All Versions), EcoStruxure Process Expert (All Versions), Modicon M340 CPU - part numbers BMXP34* (All Versions), Modicon M580 CPU - part numbers BMEP* and BMEH* (All Versions), Modicon M580 CPU Safety - part numbers BMEP58*S and BMEH58*S (All Versions)

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.06%
Vendor Advisory schneider-electric.com
Affected: Schneider Electric EcoStruxure Control Expert
Affected: Schneider Electric EcoStruxure Process Expert
Affected: Schneider Electric Modicon M340 CPU (part numbers BMXP34*)
Affected: Schneider Electric Modicon M580 CPU (part numbers BMEP* and BMEH*)
Affected: Schneider Electric Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S)
Published at:
Updated at:

References

Link Tags
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-010-06&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-010-06_Modicon_Controllers_Security_Notification.pdf patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-45789?
CVE-2022-45789 has been scored as a high severity vulnerability.
How to fix CVE-2022-45789?
To fix CVE-2022-45789, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-45789 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-45789 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-45789?
CVE-2022-45789 affects Schneider Electric EcoStruxure Control Expert , Schneider Electric EcoStruxure Process Expert, Schneider Electric Modicon M340 CPU (part numbers BMXP34*), Schneider Electric Modicon M580 CPU (part numbers BMEP* and BMEH*) , Schneider Electric Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S).
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