VulnerabilityModified

CVE-2022-22989

My Cloud OS 5 was vulnerable to a pre-authenticated stack overflow vulnerability on the FTP service that could be exploited by unauthenticated attackers on the network.

CRITICAL 9.8EPSS 1.31%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

My Cloud OS 5 was vulnerable to a pre-authenticated stack overflow vulnerability on the FTP service that could be exploited by unauthenticated attackers on the network. Addressed the vulnerability by adding defenses against stack overflow issues.

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 1.31% probability · 69th percentile
CISA KEV: Not listed
Weakness: CWE-121, CWE-787
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.westerndigital.com/support/product-security/wdc-22002-my-cloud-os5-firmware-5-19-117Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.