CVE-2026-21411

HighCVSS 8.7/10Last modified Jun 17, 2026

Description

Authentication bypass issue exists in OpenBlocks series versions prior to FW5.0.8, which may allow an attacker to bypass administrator authentication and change the password.

Metrics

CVSS 4.0 8.7/10CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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:X

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 6, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2026-21411: High severity, CVSS 8.7 | Vulnix