How severe is CVE-2025-40583?

CVE-2025-40583 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-40583 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-40583?

CVE-2025-40583 affects Siemens Scalance Lpe9403 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-40583?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-40583 have an EU (EUVD) identifier?

Yes. CVE-2025-40583 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14375.

When was CVE-2025-40583 published?

CVE-2025-40583 was published on 2025-05-13 and last updated on 2026-06-17.

CVE-2025-40583

CVE-2025-40583 is a medium-severity vulnerability in Siemens Scalance Lpe9403 Firmware with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v4: 6.7
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14375
Weakness: CWE-319
Affected product: Siemens Scalance Lpe9403 Firmware
Published: 2025-05-13
Last modified: 2026-06-17

Description

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions with SINEMA Remote Connect Edge Client installed). Affected devices do transmit sensitive information in cleartext. This could allow a privileged local attacker to retrieve this sensitive information.

Frequently asked questions

What is CVE-2025-40583?: A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions with SINEMA Remote Connect Edge Client installed). Affected devices do transmit sensitive information in cleartext. This could allow a privileged local attacker to retrieve this sensitive information.
How severe is CVE-2025-40583?: CVE-2025-40583 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-40583 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-40583?: CVE-2025-40583 affects Siemens Scalance Lpe9403 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-40583?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-40583 have an EU (EUVD) identifier?: Yes. CVE-2025-40583 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14375.
When was CVE-2025-40583 published?: CVE-2025-40583 was published on 2025-05-13 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/html/ssa-327438.html

Affected products (1)

cpe:2.3:o:siemens:scalance_lpe9403_firmware:-:*:*:*:*:*:*:*

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