CVE-2023-22814
Authentication Bypass issue in My Cloud OS 5 devices
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Authentication Bypass issue in My Cloud OS 5 devices
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.
- Record
CVE-2023-22814- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H - Weakness
- CWE-290
- Updated
- 2026-11-02
EUVDEUVD-2023-26926
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.
- Record
EUVD-2023-26926- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vh8r-vpp8-mfq5
An authentication bypass issue via spoofing was discovered in the token-based authentication...
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.
- Record
GHSA-vh8r-vpp8-mfq5- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H - Weakness
- CWE-290
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-22814- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-290
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-22814 is a critical vulnerability (CVSS 10.0) in Western Digital My Cloud Os 5, published June 30, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 52nd percentile. No source names a fixed version.