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CVE-2022-29840: Server-Side Request Forgery (SSRF) vulnerability that could allow a rogue server on the local network to modif

19
Routine
MEDIUM 5.1UPGRADE

CVE-2022-29840 is a medium-severity flaw (CVSS 5.1) affecting my cloud os. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score5.1 (Medium)
Attack vectorLocal
Attack complexityHigh
Privileges neededNone
User interactionNone
EPSS exploit chance0.1% (top 97%)
CISA exploited listNo
WeaknessCWE-918
Published2023-05-10
Last modified2026-06-17
Publisher (CNA): Western Digital · Vendor: westerndigital

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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 UPGRADE
Affected: >= 5.02.104 and < 5.26.202
Fixed in: 5.26.202
Safe to downgrade to: a release before 5.02.104
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-2022-29840?

my cloud os: upgrade to 5.26.202. Exact commands for each OS are on this page.

Is CVE-2022-29840 being exploited?

CVE-2022-29840 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-2022-29840 affect?

CVE-2022-29840 affects my cloud os. Severity is medium (CVSS 5.1). 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 t

How urgent is CVE-2022-29840?

Priority 19/100. No elevated risk signals yet.

Software pages

Western Digital vulnerabilities

Related CVEs

References

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