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CVE-2022-36328: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow

34
Routine
MEDIUM 5.8UPGRADEUPGRADEUPGRADE

CVE-2022-36328 is a medium-severity flaw (CVSS 5.8) affecting my cloud os 5, my cloud home firmware, sandisk ibi firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacker to create arbitrary shares on arbitrary directories and exfiltrate sensitive files, passwords, users and device configurations was discovered in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi and Western Digital My Cloud OS 5 devices. This can only be exploited once an attacker gains root privileges on the devic

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score5.8 (Medium)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededHigh
User interactionNone
EPSS exploit chance0.8% (top 45%)
CISA exploited listNo
WeaknessCWE-22
Published2023-05-18
Last modified2026-06-17
Publisher (CNA): Western Digital · Vendor: westerndigital

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

westerndigital my cloud os 5 UPGRADE
Affected: < 5.26.202
Fixed in: 5.26.202
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
westerndigital my cloud home firmware UPGRADE
Affected: < 9.4.0-191
Fixed in: 9.4.0-191
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
westerndigital sandisk ibi firmware UPGRADE
Affected: < 9.4.0-191
Fixed in: 9.4.0-191
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
westerndigital my cloud home duo firmware UPGRADE
Affected: < 9.4.0-191
Fixed in: 9.4.0-191
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-36328?

my cloud os 5: upgrade to 5.26.202; my cloud home firmware: upgrade to 9.4.0-191; sandisk ibi firmware: upgrade to 9.4.0-191. Exact commands for each OS are on this page.

Is CVE-2022-36328 being exploited?

CVE-2022-36328 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-36328 affect?

CVE-2022-36328 affects my cloud os 5, my cloud home firmware, sandisk ibi firmware. Severity is medium (CVSS 5.8). Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacker to create arbitrary shares on arbitrary directories and exfiltrate sensitive files, passwords, users and device config

How urgent is CVE-2022-36328?

Priority 34/100. No elevated risk signals yet.

Software pages

Western Digital vulnerabilities

Related CVEs

References

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