HOMEVULNERABILITIESCVE-2022-29840
MEDIUM

CVE-2022-29840

CWE-918Published: May 10, 2023· Updated: Jun 17, 2026

5.5
CVSS v3.1

Official Description

Server-Side Request Forgery (SSRF) vulnerability that could allow a rogue server on the local network to modify its URL to point back to the loopback adapter was addressed in Western Digital My Cloud OS 5 devices. This could allow the URL to exploit other vulnerabilities on the local server.This issue affects My Cloud OS 5 devices before 5.26.202.

NVD Source

Technical Analysis

CVE-2022-29840 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 5.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

westerndigital11 product(s)
my cloud osmy cloudmy cloud dl2100my cloud dl4100my cloud ex2 ultramy cloud ex2100my cloud ex4100my cloud mirror g2my cloud pr2100my cloud pr4100wd cloud
Source: NVD CPE · 11 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2022-29840
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-918
CISA KEVNo
Affected1 vendor(s)
PublishedMay 10, 2023

Related CVEs (CWE-918)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-29840 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.