CVE-2021-40066: The access controls on the Mobility read-only API improperly validate user access permissions

Routine

MEDIUM 5.3UPGRADE

CVE-2021-40066 is a medium-severity flaw (CVSS 5.3) affecting mobility. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The access controls on the Mobility read-only API improperly validate user access permissions. Attackers with both network access to the API and valid credentials can read data from it; regardless of access control group membership settings. This vulnerability is fixed in Mobility v11.76 and Mobility v12.14.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-732
Published	2021-09-16
Last modified	2026-06-17

Publisher (CNA): NetMotion Software · Vendor: netmotionsoftware

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

Am I affected?

Timeline

2021-09-16 12:15 UTCPublished CVE record published
2026-06-17 04:06 UTCUpdated Record last modified

netmotionsoftware mobility UPGRADE

Affected: < 11.76 · >= 12.00 and < 12.14

Fixed in: 11.76, 12.14

Safe to downgrade to: a release before 12.00

1. Check installed version

apt-cache policy mobility || rpm -q mobility || mobility --version

2. UPGRADE to 11.76 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mobility

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mobility

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 12.00 (Debian / Ubuntu)

apt-cache madison mobility sudo apt install mobility=<VERSION_BEFORE_12.00> sudo apt-mark hold mobility

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list mobility sudo dnf downgrade mobility-<VERSION_BEFORE_12.00> sudo dnf versionlock add mobility

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-2021-40066?

mobility: upgrade to 11.76, 12.14. Exact commands for each OS are on this page.

Is CVE-2021-40066 being exploited?

CVE-2021-40066 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-2021-40066 affect?

CVE-2021-40066 affects mobility. Severity is medium (CVSS 5.3). The access controls on the Mobility read-only API improperly validate user access permissions. Attackers with both network access to the API and valid credentials can read data from it; regardless of access control group membership settings

How urgent is CVE-2021-40066?

Priority 30/100. No elevated risk signals yet.

Related CVEs

CVE-2021-40067 MEDIUM 6.8 UPGRADE The access controls on the Mobility read-write API improperly validate user access permissions; this API is di

References

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