Vulnerability in Schneider Electric Powerchute™ Serial Shutdown
CVE-2026-2402
CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on a sequence of requests to multiple endpoints.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.003 (17.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Schneider Electric Powerchute™ Serial Shutdown — versions Versions v1.4 and prior
- Schneider-Electric Powerchute Serial Shutdown
Weakness classification (CWE)
References
- download.schneider-electric.com/files (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-2402?
- CVE-2026-2402 is a medium-severity vulnerability in Schneider Electric Powerchute™ Serial Shutdown, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 5.3/10. Published 2026-04-14.
- How severe is CVE-2026-2402?
- Medium severity. CVSS v3 base score is 5.3 out of 10.