CVE-2025-40583

Sensitive-information disclosure via cleartext transmission

Published May 13, 2025 · Updated May 13, 2025

Cleartext transmission in Siemens SCALANCE LPE9403 with SINEMA Remote Connect Edge Client allows local users to read sensitive data. Siemens has not disclosed which client data, storage or transport locus, or missing protection causes the cleartext exposure. Exploitation requires privileged local access to an affected device and yields disclosure only, with no reported write or service-interruption impact.

CVSS severity6.7
Medium
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cleartext transmission in Siemens SCALANCE LPE9403 with SINEMA Remote Connect Edge Client allows local users to read sensitive data. Siemens has not disclosed which client data, storage or transport locus, or missing protection causes the cleartext exposure. Exploitation requires privileged local access to an affected device and yields disclosure only, with no reported write or service-interruption impact.

The record

CVE
CVE-2025-40583
Published
May 13, 2025
Updated
May 13, 2025
Vendor
Siemens
Product
SCALANCE LPE9403
Classifications
CWE-319, T1005
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. May 13, 2025CVE publishedPublication date reported by the CVE source.
  2. May 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <*

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Siemens · SCALANCE LPE9403version=0 <*

Published CVSS scores

6.7Siemens ProductCERTCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
4.4Siemens ProductCERTCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-319Cleartext Transmission of Sensitive Information
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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