Path traversal vulnerability leading to an arbitrary file write in Western Digital devices (Western Digital My Cloud Home and My Cloud Home Duo)

CVE-2022-36327
MEDIUM 5.8

At a glance

Source
NVD
EPSS
EPSS 1.47 % · percentile 74 ()
State
PUBLISHED
Published
Updated
Assigner
WDC PSIRT
NVD status
Modified

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.

Weaknesses (CWE)

  • CWE-22 — Improper Limitation of a Pathname to a Restricted Directory

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.8CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:NWDC PSIRT
CVSS 3.1MEDIUM 5.8CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:NNVD · psirt@wdc.com (Secondary)
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
Western Digital · My Cloud Home and My Cloud Home Duoaffected 0 < 9.4.0-191
SanDisk · ibiaffected 0 < 9.4.0-191
Western Digital · My Cloud OS 5affected 0 < 5.26.202

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD