Insufficient Entropy vulnerability on Multiple Products
Priority MEDIUM 45CWE-331Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
CWE‑331: Insufficient Entropy vulnerability exists that could lead to unauthorized access when an attacker on the network can exploit weaknesses in session‑management protections.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00312 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Schneider Electric | Easergy MiCOM C264 | Versions D6.x; Versions D7.33 and prior | — | No fix listed | CNA |
| Schneider Electric | Easergy C5 | up to 1.1.17 | — | No fix listed | CNA |
| Schneider Electric | Easergy MiCOM P30 | P139 version prior to P139.678.700; P437 version prior to P437.678.700; P439 version prior to P439.678.700; P532 version prior to P532.678.700; P539 version prior to P539.678.700; P631 version prior to P631.678.700; P632 version prior to P632.678.700; P633 version prior to P633.678.700; P634 version prior to P634.678.700; P633 version P633.680.700 only; P634 version P634.680.700 only; P138 version prior to P138.677.700; P436 version prior to P436.677.701; P438 version prior to P438.677.701; P638 version prior to P638.677.700; C434 version prior to C434.679.700 | — | No fix listed | CNA |
| Schneider Electric | Easergy MiCOM P40 | Series model numbers with Protocol Option bit as G, H or L and all firmware versions | — | No fix listed | CNA |
| Schneider Electric | EcoStruxure™ Power Automation System Gateway (EPAS-GTW) | up to 6.4.616.200.100 | — | No fix listed | CNA |
| Schneider Electric | EcoStruxure™ Power Automation System User Interface (EPAS-UI) | up to 3.0.3 | — | No fix listed | CNA |
| Schneider Electric | EcoStruxure™ Power Operation | Version 2022 CU6 and prior; Version 2024 CU2 and prior | — | No fix listed | CNA |
| Schneider Electric | iPMFLS | up to 64.2025.0.13 | — | No fix listed | CNA |
| Schneider Electric | PowerLogic™ P5 Protection Relay | up to V02.502.103 | — | No fix listed | CNA |
| Schneider Electric | PowerLogic™ P7 Protection and Control Platform | up to V02.002.002 | — | No fix listed | CNA |
| Schneider Electric | PowerLogic™ T300 | up to 2.9.4 | — | No fix listed | CNA |
| Schneider Electric | PowerLogic™ T500 | up to 11.08.02 | — | No fix listed | CNA |
| Schneider Electric | Saitel DP | up to 11.06.36 | — | No fix listed | CNA |
| Schneider Electric | EasyLogic T150 (formerly Saitel DR) | up to 11.06.30 | — | No fix listed | CNA |
- Easergy MiCOM C264 VendorSchneider Electric Affected Versions D6.x; Versions D7.33 and prior Fixed in — No fix listed CNA
- Easergy C5 VendorSchneider Electric Affected up to 1.1.17 Fixed in — No fix listed CNA
- Easergy MiCOM P30 VendorSchneider Electric Affected P139 version prior to P139.678.700; P437 version prior to P437.678.700; P439 version prior to P439.678.700; P532 version prior to P532.678.700; P539 version prior to P539.678.700; P631 version prior to P631.678.700; P632 version prior to P632.678.700; P633 version prior to P633.678.700; P634 version prior to P634.678.700; P633 version P633.680.700 only; P634 version P634.680.700 only; P138 version prior to P138.677.700; P436 version prior to P436.677.701; P438 version prior to P438.677.701; P638 version prior to P638.677.700; C434 version prior to C434.679.700 Fixed in — No fix listed CNA
- Easergy MiCOM P40 VendorSchneider Electric Affected Series model numbers with Protocol Option bit as G, H or L and all firmware versions Fixed in — No fix listed CNA
- EcoStruxure™ Power Automation System Gateway (EPAS-GTW) VendorSchneider Electric Affected up to 6.4.616.200.100 Fixed in — No fix listed CNA
- EcoStruxure™ Power Automation System User Interface (EPAS-UI) VendorSchneider Electric Affected up to 3.0.3 Fixed in — No fix listed CNA
- EcoStruxure™ Power Operation VendorSchneider Electric Affected Version 2022 CU6 and prior; Version 2024 CU2 and prior Fixed in — No fix listed CNA
- iPMFLS VendorSchneider Electric Affected up to 64.2025.0.13 Fixed in — No fix listed CNA
- PowerLogic™ P5 Protection Relay VendorSchneider Electric Affected up to V02.502.103 Fixed in — No fix listed CNA
- PowerLogic™ P7 Protection and Control Platform VendorSchneider Electric Affected up to V02.002.002 Fixed in — No fix listed CNA
- PowerLogic™ T300 VendorSchneider Electric Affected up to 2.9.4 Fixed in — No fix listed CNA
- PowerLogic™ T500 VendorSchneider Electric Affected up to 11.08.02 Fixed in — No fix listed CNA
- Saitel DP VendorSchneider Electric Affected up to 11.06.36 Fixed in — No fix listed CNA
- EasyLogic T150 (formerly Saitel DR) VendorSchneider Electric Affected up to 11.06.30 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-4827
- 2026-10-03 Alias added: GHSA-r6x4-qp59-vf35
References
More Schneider Electric vulnerabilities
- TI-2018-05679 SQL injection in U.motion Builder software version 1.3.4 KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05589 Hard-coded credentials in EVlink City , EVlink Parking , and EVlink Smart Wallbox CVSS 3.1CRITICAL 9.8
- TI-2022-15561 OS command injection in Schneider Electric SpaceLogic C-Bus Home Controller CVSS 3.1HIGH 8.8
- TI-2023-04970 Path traversal in Schneider Electric C-Bus Toolkit CVSS 3.1CRITICAL 9.8
- TI-2019-04862 Improper handling of exceptional conditions in Schneider Electric Modicon M580 CVSS 3.1HIGH 7.5
- TI-2018-05690 Improper handling of exceptional conditions in Modicon M580 Modicon M340 Modicon Quantum… CVSS 3.1HIGH 7.5
Sources
- CVE-2026-4827 · CVE Program
- CVE-2026-4827 · NVD
- FIRST EPSS
- GHSA-r6x4-qp59-vf35 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences