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Fencer Vulns
critical 9.8

CVE-2023-5391 json

A CWE-502: Deserialization of untrusted data vulnerability exists that could allow an attacker to execute arbitrary code on the targeted sy…

published 2023-10-04 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-57706

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

A CWE-502: Deserialization of untrusted data vulnerability exists that could allow an attacker to execute arbitrary code on the targeted system by sending a specifically crafted packet to the application.

Vendor advisories

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

cisa ICSA-23-290-01 updated cvss 9.8

Schneider Electric EcoStruxure Power Monitoring Expert and Power Operation Products

  • Schneider Electric EcoStruxure Power Monitoring Expert <Hotfix-145271 Schneider Electric EcoStruxure Power Operation with Advanced Reports <Hotfix-145271 Schneider Electric EcoStruxure Power SCADA Operation with Advanced Reports <Hotfix-145271
    affected: mitigation “Schneider Electric has released the following mitigations/fixes for the following products:” se.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
20 mo ago

Exploit prediction

0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/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 Power Monitoring Expert
  • Schneider Electric EcoStruxure Power Operation (EPO) with Advanced Reports
  • Schneider Electric EcoStruxure Power SCADA Operation with Advanced Reports

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

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.