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TI-2026-81125 Aliases CVE-2026-41021GHSA-f65r-hx45-3hc6

Weak password policy in Eaton easyE4 allows offline password guessing

Priority LOW 34CWE-521Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-521.

Summary

Eaton easyE4 versions from 0 before 2.46 use an insufficiently strong password policy. An attacker who obtains a password hash, for example through CVE-2026-41020, can run an offline password-guessing attack against it. The attack needs no privileges, but a user must interact with the system, and it can potentially recover user credentials.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

Eaton easyE4 uses an insufficiently strong password policy. An attacker who obtains a password hash, including through CVE-2026-41020, could perform an offline password-guessing attack and potentially recover user credentials.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00181 7th percentileScored 2026-11-07
Fix Fixed easyE4 (Eaton): 2.46

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
EatoneasyE4before 2.462.46Patch availableCNA
  • easyE4 VendorEaton Affected before 2.46 Fixed in 2.46 Patch available CNA

Remediation

Eaton easyE4 fixed version 2.46 addresses this issue. Update easyE4 to version 2.46 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA easyE4 (Eaton) Fixed in 2.46

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Eaton easyE4 — eaton.com/content/dam/eaton/company/news-insights/cybersecu…

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-81119 Static nonce in Eaton easyE4 authentication enables replay attacksPriority LOW 34
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-27 Threatist record created from CVE-2026-41021
  2. 2026-10-27 Alias added: GHSA-f65r-hx45-3hc6
  3. 2026-10-28 Priority changed: MEDIUM → LOW
  4. 2026-11-04 CISA SSVC decision points changed

References

Advisory 1

  • TI-2018-11555 Eaton Power Xpert Meter 4000, 6000, and 8000 devices before 13.4.0.10 have a single SSH… CVSS 3.0CRITICAL 9.8
  • TI-2021-06017 Arbitrary File delete CVSS 3.1CRITICAL 10.0
  • TI-2018-08624 Local file inclusion in Eaton Intelligent Power Manager v1.6 allows an attacker to… CVSS 3.0CRITICAL 9.8
  • TI-2018-06389 Stack-based buffer overflow in ICS-CERT Eaton 9000X Drive CVSS 3.1CRITICAL 9.8
  • TI-2008-06504 Eaton MGEOPS Network Shutdown Module before 3.10 Build 13 allows remote attackers to… CVSS 2.0HIGH 10.0
  • TI-2021-06019 Remote code execution in Eaton Intelligent Power manager CVSS 3.1CRITICAL 10.0
See all 74 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences