CVE-2022-29842Network attack vector

Root code execution via account_mgr command injection

Published May 10, 2023 · Updated Jan 24, 2025

Command injection in Western Digital Cloud OS 5 before 5.26.119 allows remote attackers to execute arbitrary code as root. The account_mgr CGI script passes a user-supplied string to a system call without adequate validation, permitting shell command injection. Attackers need no authentication but must be network-adjacent to the NAS appliance.

CVSS severity9.8
Critical
EPSS probability1.77%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in Western Digital Cloud OS 5 before 5.26.119 allows remote attackers to execute arbitrary code as root. The account_mgr CGI script passes a user-supplied string to a system call without adequate validation, permitting shell command injection. Attackers need no authentication but must be network-adjacent to the NAS appliance.

The record

CVE
CVE-2022-29842
Published
May 10, 2023
Updated
Jan 24, 2025
Vendor
Western Digital Corporation
Product
My Cloud OS 5
Classifications
CWE-77, T1210
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 10, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 24, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <5.26.119

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Western Digital Corporation · My Cloud OS 5version=0 <5.26.119

Published CVSS scores

9.8Western Digital CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
T1210Exploitation of Remote Services

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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