CVE-2016-10107: Unauthenticated Remote Command injection as root occurs in the Western Digital MyCloud NAS 2.11.142 index.php

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2016-10107 is a critical-severity flaw (CVSS 9.8) affecting mycloud nas. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unauthenticated Remote Command injection as root occurs in the Western Digital MyCloud NAS 2.11.142 index.php page via a modified Cookie header.

Why this priority

Critical severity
EPSS top 4%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	11.1% (top 4%)
CISA exploited list	No
Weakness	CWE-77
Published	2017-01-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: western digital

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

Am I affected?

Timeline

2017-01-03 06:59 UTCPublished CVE record published
2026-06-17 00:39 UTCUpdated Record last modified

western digital mycloud nas DOWNGRADE

Affected: 2.11.142

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.11.142

1. Check installed version

apt-cache policy mycloud-nas || rpm -q mycloud-nas || mycloud-nas --version

2. No fixed release: DOWNGRADE to a release before 2.11.142 (Debian / Ubuntu)

apt-cache madison mycloud-nas sudo apt install mycloud-nas=<VERSION_BEFORE_2.11.142> sudo apt-mark hold mycloud-nas

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list mycloud-nas sudo dnf downgrade mycloud-nas-<VERSION_BEFORE_2.11.142> sudo dnf versionlock add mycloud-nas

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2016-10107?

mycloud nas: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-10107 being exploited?

CVE-2016-10107 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-2016-10107 affect?

CVE-2016-10107 affects mycloud nas. Severity is critical (CVSS 9.8). Unauthenticated Remote Command injection as root occurs in the Western Digital MyCloud NAS 2.11.142 index.php page via a modified Cookie header.

How urgent is CVE-2016-10107?

Priority 68/100. Critical severity; EPSS top 4%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities · Western Digital vulnerabilities

Related CVEs

CVE-2016-10108 CRITICAL 9.8 DOWNGRADE Unauthenticated Remote Command injection as root occurs in the Western Digital MyCloud NAS 2.11.142 /web/googl

References

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