SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-36327

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacker to write files to locations with certain critical filesystem types leading to remote code execution was discovered in Western…

CRITICAL 9.8EPSS 1.47%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacker to write files to locations with certain critical filesystem types leading to remote code execution was discovered in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi and Western Digital My Cloud OS 5 devices. This issue requires an authentication bypass issue to be triggered before this can be exploited.  This issue affects My Cloud Home and My Cloud Home Duo: before 9.4.0-191; ibi: before 9.4.0-191; My Cloud OS 5: before 5.26.202.

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
1.47% probability · 72th percentile
CISA KEV
Not listed
Weakness
CWE-22
Affected
westerndigital/my cloud os 5 · westerndigital/my cloud home firmware · westerndigital/sandisk ibi firmware · westerndigital/my cloud home duo firmware
Source
psirt@wdc.com

References

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