What’s Vulnerable › Vulnerabilities

CVE-2020-8990

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-20 · updated 2026-06-17
• Weakness: CWE-384

Description

Western Digital My Cloud Home before 3.6.0 and ibi before 3.6.0 allow Session Fixation.

Affected products

• Western Digital Ibi: before 3.6.0 — fixed in 3.6.0
• Western Digital My Cloud Home: before 3.6.0 — fixed in 3.6.0

How to fix

Upgrade to a fixed version: Western Digital Ibi 3.6.0; Western Digital My Cloud Home 3.6.0. Check the vendor advisory for mitigations.

References

• https://support.wdc.com/downloads.aspx?g=907&lang=en#downloads
• https://www.westerndigital.com/support/productsecurity/wdc-19013-my-cloud-home-and-ibi-session-invalidation-vulnerability
• https://support.wdc.com/downloads.aspx?g=907&lang=en#downloads
• https://www.westerndigital.com/support/productsecurity/wdc-19013-my-cloud-home-and-ibi-session-invalidation-vulnerability

Get alerted when CVE-2020-8990 or the next vulnerability affects your stack