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CVE-2025-27396

Siemens Scalance Lpe9403 Firmware vulnerability

8.8 HIGHEPSS 0.44%
  1. Published11 Mar 2025

Description

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0). Affected devices do not properly limit the elevation of privileges required to perform certain valid functionality. This could allow an authenticated lowly-privileged remote attacker to escalate their privileges.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Siemens Scalance Lpe9403 Firmware< 4.0

Remediation

Fixed in
Siemens Scalance Lpe9403 Firmware≥ 4.0

References

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Frequently asked

Is CVE-2025-27396 being actively exploited?

CVE-2025-27396 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.44%.

How severe is CVE-2025-27396?

CVE-2025-27396 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.44% probability of exploitation.

Which products are affected by CVE-2025-27396?

Affected products include Siemens Scalance Lpe9403 Firmware.

How do I fix CVE-2025-27396?

Upgrade affected software to a fixed version, for example Siemens Scalance Lpe9403 Firmware 4.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-27396 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.