No exploitation reportedFix available

CVE-2022-45789

No exploitation reported by the sources we read.

Published2023-01-31
WeaknessCWE-294

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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)

Timeline

dates in UTC

2023-01-3106:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-45789?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-45789?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Schneider-electric ecostruxure control expert

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Schneider-electric ecostruxure process expert

Branch	Affected	Fixed in	Source
2020.x	≤ 2020	no fix published	NVD

Schneider-electric modicon m340 bmxp341000 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

34 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-23-227-01 CISA5 products fixed · 6 known affected
Schneider Electric EcoStruxure Control Expert, Process Expert, Modicon M340, M580 and M580 CPU (Update A)
EcoStruxure™ Control Expert Versions prior to V16.2 HF003 · Modicon M580 CPU versions prior to SV4.20 · Modicon M580 CPU Safety Versions prior to SV4.21 · +3 more

Full record on NVD

Fix

Vendor fix CISA ICSA-23-227-01 · 1 productFirmware SV4.20 includes a fix for this vulnerability and is available for download here:https://www.se.com/ww/en/product-range/62098-modicon-m580-epac/#software-and-firmware
Vendor fix CISA ICSA-23-227-01 · 1 productFirmware SV4.21 includes a fix for this vulnerability and is available for download here:https://www.se.com/ww/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware Important: customer needs to use the version of EcoStruxure™ Control Expert v16.0 HF001 minimum to connect with th…
Vendor fix CISA ICSA-23-227-01 · 1 productEcoStruxure™ Control Expert V16.2 HF003 includes a fix for this vulnerability and is available for download here: https://www.se.com/ww/en/product-range/548-ecostruxure-control-expert-unity-pro/#software-and-firmware
Vendor fix CISA ICSA-23-227-01 · 1 productFirmware SV2.90 includes a fix for this vulnerability and is available for download here:https://www.se.com/ww/en/product-range/535-modicon-momentum/?parent-category-id=3900&parent-subcategory-id=3930&filter=business-1-industrial-automation-and-control#products
Vendor fix CISA ICSA-23-227-01 · 1 productVersion 3.70 of Modicon M340 includes a fix for this vulnerability and is available for download here: https://www.se.com/ww/en/product-range/1468-modicon-m340/#software-and-firmware
Mitigation from the vendor CISA ICSA-23-227-01 · 1 productCustomers should immediately apply the following mitigations to reduce the risk of exploit:• Setup a VPN between the Modicon PLC controllers and the engineering workstation containing EcoStruxureTM Control Expert. Note: this functionality may be provided by an external IPSEC compatible firewall loc…

Advisories and patches

download.schneider-electric.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-02-05
OpenCVESSVC decisionnone—
CNACVSS 3.18.1read 2026-10-23
NVDCVSS 3.19.8read 2026-10-23
CNAweakness (CWE)CWE-294read 2026-10-23
FIRST EPSSEPSS score1.5 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2023-01-31
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-45789?

Is CVE-2022-45789 actively exploited?

Active exploitation of CVE-2022-45789 has not been confirmed. Its EPSS score was 1.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-45789?

CVE-2022-45789 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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