CVE-2026-2403

mediumpriority · track · 17EPSS 0.002 · 6 %ileEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.17% (6th) EPSS
CVSS 4.3 · medium
Is it mine?
8 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-28

CWE-1284 Improper Validation of Specified Quantity in Input vulnerability exists that could cause Event and Data Log truncation impacting log integrity when a Web Admin user alters the POST /logsettings request payload.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedPowerChute™ Serial Shutdowncisa_csaf_ot

    Version v1.5 of PowerChute™ Serial Shutdown includes a fix for this vulnerability and is available for download here: • Linux: https://www.se.com/ww/en/download/document/SPD-PCSS_LNX_EN/ Specific instructions and hardening guidelines for these mitigations can be found in the [Security Handbook](https://download.schneider-electric.com/files?p_Doc_Ref=SPD_CCON-PCSSSH_EN).

    https://www.se.com/ww/en/download/document/SPD-PCSS_LNX_EN/
02

cvss

Technical severity, 0–10. One row per scoring source.

5.3
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.3–5.3

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4
v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · CISA US
v3.14.3mediumAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU
v4.05.3mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU
v4.05.3mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · cybersecurity@se.com
v4.01.3lowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

05

affected products (8)

Products and version ranges known to be affected.

06

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-26-190-02Schneider Electric PowerChute Serial Shutdown2026-04-14icsa · cisa_csaf_otUS

    Schneider Electric is aware of vulnerabilities in its PowerChute™ Serial Shutdown product. The [PowerChute Serial Shutdown](https://www.se.com/ww/en/product-range/137943580-powerchute-serial-shutdown/#products) product is a UPS management software enabling graceful system shutdown and energy management capabilities for desktop, servers and workstations. Failure to apply the remediation provided below may risk improper input validation which could result in disruption of operations and access to system data.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

09

references (3)

External citations — patches, advisories, analysis.

scry

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