CVE-2023-22815

6.2 MEDIUM 1% exploit odds Fix listed

What it is

Post-authentication remote command injection vulnerability in Western Digital My Cloud OS 5 devices that could allow an attacker to execute code in the context of the root user on vulnerable CGI files. This vulnerability can only be exploited over the network and the attacker must already have admin/root privileges to carry out the exploit. An authentication bypass is required for this exploit, thereby making it more complex. The attack may not require user interaction. Since an attacker must already be authenticated, the confidentiality impact is low while the integrity and availability impact is high. This issue affects My Cloud OS 5 devices: before 5.26.300.

At a glance

Exploitability: Can be exploited over the network with an admin-level account. High risk of data tampering, service disruption.
Exploit odds: 1.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2023-06-30 22:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 05:36 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.3% in the next 30 days (EPSS).
Severity: 6.2 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2023-06-30 22:15 UTC
Last modified: 2026-06-17 05:36 UTC
Exploit probability: 1.3% · EPSS, next 30 days
Weakness: CWE-78 · OS command injection
Record status: Modified

Affected

Westerndigital My Cloud Os < 5.26.300

Attack profile CVSS 3.1 · 6.2

Attack vector: Network
Complexity: High
Privileges needed: High
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:H

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record