by Kastro
Paper/Archive/CVE-2023-22814

CVE-2023-22814

Western Digital My Cloud OS 5 — Authentication Bypass issue in My Cloud OS 5 devices

EPSS 0.7%CVSS 10.0
critical.is priorityof 100
41
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 52.7.527 × 2010.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

An authentication bypass issue via spoofing was discovered in the token-based authentication mechanism that could allow an attacker to carry out an impersonation attack. This issue affects My Cloud OS 5 devices: before 5.26.202.

Affected

ProductAffectedFixed inSource
My Cloud OS 5< 5.26.2025.26.202CNA
my_cloud_os_5< 5.26.2025.26.202CISA-ADP

Scores by source

WDC PSIRT (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refwesterndigital.com/support/product-security/wdc-23006-my-cloud-firmware-version-5-26-202