CVE-2021-3310 — Link Following in MY Cloud OS

CWE-59 — Link FollowingCWE-841 — Improper Enforcement of Behavioral Workflow3 documents3 sources
Severity
7.8HIGHNVD
EPSS
1.1%
top 21.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Westerndigital MY Cloud OS
Timeline
PublishedMar 10
Latest updateMay 24

Description

Western Digital My Cloud OS 5 devices before 5.10.122 mishandle Symbolic Link Following on SMB and AFP shares. This can lead to code execution and information disclosure (by reading local files).

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages1 packages

🔴Vulnerability Details

1
GHSA
GHSA-vxf7-jpg6-xh49: Western Digital My Cloud OS 5 devices before 5↗2022-05-24
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