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TI-2026-01515 Aliases CVE-2026-1840GHSA-gx8p-xc64-fg2f

Missing authentication for critical function in Hubbell Aclara Metrum Cellular Web Interface

Priority MEDIUM 45CWE-306Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

The Aclara Metrum Cellular Web Interface is vulnerable to unauthorized access due to the absence of authentication controls on critical system functions. This weakness exposes essential configuration settings, allowing attackers to alter operational parameters and trigger system restarts without restriction. Such unauthorized changes can disrupt normal functionality and, if performed repeatedly, may lead to a loss of communications to the device.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00711 53rd percentileScored 2026-11-07
Fix Fixed Aclara Metrum Cellular Web Interface (Hubbell): 2.1.0.105

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
HubbellAclara Metrum Cellular Web Interfacebefore 2.1.0.1052.1.0.105Patch availableCNA
  • Aclara Metrum Cellular Web Interface VendorHubbell Affected before 2.1.0.105 Fixed in 2.1.0.105 Patch available CNA

Remediation

  • Fix · CNA Aclara Metrum Cellular Web Interface (Hubbell) Fixed in 2.1.0.105

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-1840
  2. 2026-10-03 Alias added: GHSA-gx8p-xc64-fg2f

References

Sources