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CVE-2021-3310

Published: Mar 10, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-59
7.8HIGH
NVD MITRE
EPSS Score
1.0%
Top 41.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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).

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-59

Affected Products

Western Digital Corporation
commercial·USaka western digital
My Cloud EX2100
Hardware Firmware
My Cloud DL2100
Hardware Firmware
My Cloud DL4100
Hardware Firmware
My Cloud EX2 Ultra
Hardware Firmware
My Cloud EX4100
Hardware Firmware
My Cloud Mirror Gen 2
Hardware Firmware
My Cloud OS
Hardware Firmware
My Cloud PR2100
Hardware Firmware
westerndigital
commercial·USaka western digital, wd
my cloud os
Hardware Firmware
and 2 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2021-3310?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://www.zerodayinitiative.com/advisories/ZDI-21-277/
zerodayinitiative.com
https://nvd.nist.gov/vuln/detail/CVE-2021-3310
nvd.nist.gov
https://www.westerndigital.com/support/productsecurity/wdc-21002-my-cloud-firmware-version-5-10-122
westerndigital.com
and 1 more references View all →

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