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CVE-2025-40806

MEDIUM
5.3
CVSS Score
Published: December 9, 2025 at 10:44 AM UTC
Updated: October 23, 2026 at 10:10 PM UTC
1 product affected across 1 vendorGridscale X Prepay

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

A vulnerability has been identified in Gridscale X Prepay (All versions < V4.2.1). The affected application is vulnerable to user enumeration due to distinguishable responses. This could allow an unauthenticated remote attacker to determine if a user is valid or not, enabling a brute force attack with valid users.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Gridscale X Prepay· Siemens
95%
v < 4.2.1
Affected range stops below V4.2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://cert-portal.siemens.com/productcert/html/ssa-356310.html

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMsiemens
Vector?

Quick Info

StatusANALYZED
CWE
CWE-204

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