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Fencer Vulns
high 7.1

CVE-2023-27975 json

CWE-522: Insufficiently Protected Credentials vulnerability exists that could cause unauthorized access to the project file in EcoStruxure…

published 2024-02-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-31701

cvss
7.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 4%
public exploits
0
none known

Summary

CWE-522: Insufficiently Protected Credentials vulnerability exists that could cause unauthorized access to the project file in EcoStruxure Control Expert when a local user tampers with the memory of the engineering workstation.

Patch / fix

  • schneider-electric ecostruxure_control_expert 16.0
  • schneider-electric ecostruxure_process_expert 2023

Vendor advisories

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

cisa ICSA-24-331-03 updated cvss 7.1

Schneider Electric EcoStruxure Control Expert, EcoStruxure Process Expert, and Modicon M340, M580 and M580 Safety PLCs

  • Schneider Electric EcoStruxure Control Expert < 16.0
    affected: vendor fix, mitigation se.com
  • Schneider Electric EcoStruxure Process Expert < 2023
    affected: vendor fix, mitigation se.com
  • Schneider Electric EcoStruxure Control Expert 16.0 Schneider Electric EcoStruxure Process Expert 15.3_HF008
    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
partial
Assessed
2 y ago

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

  • Schneider Electric EcoStruxure Control Expert
  • Schneider Electric EcoStruxure Process Expert

Classification

Weakness
  • CWE-522 Insufficiently Protected Credentials

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.