CVE-2020-8990
Western Digital My Cloud Home before 3.6.0 and ibi before 3.6.0 allow Session Fixation.
Western Digital My Cloud Home before 3.6.0 and ibi before 3.6.0 allow Session Fixation.
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
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
9.1
Western Digital My Cloud Home before 3.6.0 and ibi before 3.6.0 allow Session Fixation.
- Record
CVE-2020-8990- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Weakness
- CWE-384
- Updated
- 2026-11-02
CVE List No score
Western Digital My Cloud Home before 3.6.0 and ibi before 3.6.0 allow Session Fixation.
- Record
CVE-2020-8990- Updated
- 2026-11-02
EUVDEUVD-2020-29820 No score
Western Digital My Cloud Home before 3.6.0 and ibi before 3.6.0 allow Session Fixation.
- Record
EUVD-2020-29820- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rrvx-f88m-c779 No score
Western Digital My Cloud Home before 3.6.0 and ibi before 3.6.0 allow Session Fixation.
Western Digital My Cloud Home before 3.6.0 and ibi before 3.6.0 allow Session Fixation.
- Record
GHSA-rrvx-f88m-c779- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-8990 is a critical vulnerability (CVSS 9.1) in Western Digital Ibi, published February 20, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.00%, the 62nd percentile. No source names a fixed version.