CVE-2022-22990

Name: CVE-2022-22990
Creator: NVD / NIST
Published: 2022-01-13T21:15:08.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.12%

Last modified Jun 17, 2026

CVE-2022-22990 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A limited authentication bypass vulnerability was discovered that could allow an attacker to achieve remote code execution and escalate privileges on the My Cloud devices. Addressed this vulnerability by changing access token validation logic and rewriting rule logic on PHP scripts.. EPSS estimates a 2.12% chance of exploitation in the next 30 days.

Description

A limited authentication bypass vulnerability was discovered that could allow an attacker to achieve remote code execution and escalate privileges on the My Cloud devices. Addressed this vulnerability by changing access token validation logic and rewriting rule logic on PHP scripts.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

2.12%

79.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Westerndigital	My Cloud Os	< 5.19.117

References

https://www.westerndigital.com/support/product-security/wdc-22002-my-cloud-os5-firmware-5-19-117Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-076/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-347/Third Party Advisory, VDB Entry
https://www.westerndigital.com/support/product-security/wdc-22002-my-cloud-os5-firmware-5-19-117Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-076/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-347/Third Party Advisory, VDB Entry

Timeline

Published: Jan 13, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-22990?

How severe is CVE-2022-22990?

CVE-2022-22990 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.12% probability of exploitation in the next 30 days.

How do I fix CVE-2022-22990?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-22990?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST