VulnerabilityModified
CVE-2022-22990
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.
HIGH 8.8EPSS 2.12%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.12% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287, CWE-697
- Affected
- westerndigital/my cloud os
- Source
- psirt@wdc.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.