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Fencer Vulns
high 8.1

CVE-2022-45789 json

A CWE-294: Authentication Bypass by Capture-replay vulnerability exists that could cause execution of unauthorized Modbus functions on the…

published 2023-01-31 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-48645

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

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)

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-227-01 updated cvss 8.1

Schneider Electric EcoStruxure Control Expert, Process Expert, Modicon M340, M580 and M580 CPU (Update A)

  • Schneider Electric EcoStruxure™ Control Expert < 16.2_HF003
    affected: vendor fix, mitigation se.com
  • Schneider Electric Modicon M340 Modicon M340 CPU < SV3.70
    affected: vendor fix, mitigation se.com
  • Schneider Electric Modicon M580 CPU < SV4.20
    affected: vendor fix, mitigation se.com
  • Schneider Electric Modicon M580 CPU Safety < SV4.21
    affected: vendor fix, mitigation se.com
  • Schneider Electric Modicon MC80
    affected: mitigation se.com
  • Schneider Electric Modicon Momentum Unity M1E Processor Modicon Momentum Unity M1E Processor < SV2.90
    affected: vendor fix, mitigation se.com
  • Schneider Electric EcoStruxure™ Control Expert 16.2_HF003 Schneider Electric Modicon M340 Modicon M340 CPU SV3.70 Schneider Electric Modicon M580 CPU SV4.20 Schneider Electric Modicon M580 CPU Safety SV4.21 Schneider Electric Modicon Momentum Unity M1E Processor Modicon Momentum Unity M1E Processor SV2.90
    fixed

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

1.46% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • 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)

Classification

Weakness
  • CWE-294 Authentication Bypass by Capture-replay

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.