Authentication Token Replay Vulnerability in Gridscale X Prepay by Siemens
CVE-2025-40807

5.3MEDIUM

Key Information:

Vendor

Siemens
Status
Gridscale X Prepay
Vendor
CVE Published:
9 December 2025

What is CVE-2025-40807?

A vulnerability in Gridscale X Prepay prior to version V4.2.1 enables the capture and replay of authentication tokens. This flaw can potentially allow an authenticated user, even if locked out, to regain access through still-valid sessions. Users are advised to update to the latest version to mitigate the risks associated with this vulnerability.

Affected Version(s)

Gridscale X Prepay 0

References

https://cert-portal.siemens.com/productcert/html/ssa-3563...

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-40807 : Authentication Token Replay Vulnerability in Gridscale X Prepay by Siemens