SARA / Free Tools / CVE / CVE-2022-45789

CVE-2022-45789 — A CWE-294: Authentication Bypass by Capture-replay vulnerability exists that cou

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

CVSS
8.1 HIGH
EPSS
0.06% (top 80.50%)
CWE
CWE-294
Published
2023-01-31T00:00:00.000Z
Last modified
2025-02-05T20:07:07.568Z
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

01What is this vulnerability?

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*…

02Affected products

VendorProductVersions
Schneider ElectricEcoStruxure Control ExpertAll Versions
Schneider ElectricEcoStruxure Process ExpertAll Versions
Schneider ElectricModicon M340 CPU (part numbers BMXP34*)All Versions
Schneider ElectricModicon M580 CPU (part numbers BMEP* and BMEH*)All Versions
Schneider ElectricModicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S)All Versions

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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