PatchTheCEVCVE-2025-40806: A vulnerability has been identified in Gridscale X Prepay (All versions < V4.2.1)
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Routine
MEDIUM 5.3REMOTEUPGRADE
CVE-2025-40806 is a medium-severity flaw (CVSS 5.3) affecting gridscale x prepay. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 61%) |
| CISA exploited list | No |
| Weakness | CWE-204 |
| Published | 2025-12-09 |
| Last modified | 2026-10-23 |
Publisher (CNA): Siemens AG · Vendor: siemens
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
siemens gridscale x prepay UPGRADE
Affected: < 4.2.1
Fixed in: 4.2.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy gridscale-x-prepay || rpm -q gridscale-x-prepay || gridscale-x-prepay --version
2. UPGRADE to 4.2.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade gridscale-x-prepay
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade gridscale-x-prepay
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Related CVEs
- CVE-2025-40807 MEDIUM 6.3 UPGRADE A vulnerability has been identified in Gridscale X Prepay (All versions < V4.2.1)