CVE-2025-40807
CVE-2025-40807 is a medium-severity vulnerability in Siemens Gridscale X Prepay with a CVSS 3.x base score of 6.3. 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-294.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- CVSS v4: 5.3
- EPSS exploit prediction: 0% (19th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-201926
- Weakness: CWE-294
- Affected product: Siemens Gridscale X Prepay
- Published:
- Last modified:
Description
A vulnerability has been identified in Gridscale X Prepay (All versions < V4.2.1). The affected application is vulnerable to capture-replay of authentication tokens. This could allow an authenticated but already locked-out user to establish still valid user sessions.
Frequently asked questions
- What is CVE-2025-40807?
- A vulnerability has been identified in Gridscale X Prepay (All versions < V4.2.1). The affected application is vulnerable to capture-replay of authentication tokens. This could allow an authenticated but already locked-out user to establish still valid user sessions.
- How severe is CVE-2025-40807?
- CVE-2025-40807 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2025-40807 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-40807?
- CVE-2025-40807 affects Siemens Gridscale X Prepay. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-40807?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-40807 have an EU (EUVD) identifier?
- Yes. CVE-2025-40807 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201926.
- When was CVE-2025-40807 published?
- CVE-2025-40807 was published on 2025-12-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:siemens:gridscale_x_prepay:*:*:*:*:*:*:*:*
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