CVE-2024-36506: An improper verification of source of a communication channel vulnerability [CWE-940] in FortiClientEMS 7.4.0,

Routine

LOW 3.7REMOTEUPGRADEUPGRADE

CVE-2024-36506 is a low-severity flaw (CVSS 3.7) affecting forticlientems, forticlientems cloud. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An improper verification of source of a communication channel vulnerability [CWE-940] in FortiClientEMS 7.4.0, 7.2.0 through 7.2.4, 7.0 all versions, 6.4 all versions may allow a remote attacker to bypass the trusted host feature via session connection.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	3.7 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-940
Published	2025-01-14
Last modified	2026-06-17

Publisher (CNA): Fortinet, Inc. · Vendor: fortinet

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

Am I affected?

Timeline

2025-01-14 14:15 UTCPublished CVE record published
2026-06-17 07:36 UTCUpdated Record last modified

fortinet forticlientems UPGRADE

Affected: >= 6.4.0 and < 7.2.5 · 7.4.0

Fixed in: 7.2.5

Safe to downgrade to: a release before 6.4.0

1. Check installed version

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

2. UPGRADE to 7.2.5 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade forticlientems

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 6.4.0 (Debian / Ubuntu)

apt-cache madison forticlientems sudo apt install forticlientems=<VERSION_BEFORE_6.4.0> sudo apt-mark hold forticlientems

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

dnf --showduplicates list forticlientems sudo dnf downgrade forticlientems-<VERSION_BEFORE_6.4.0> sudo dnf versionlock add forticlientems

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.

fortinet forticlientems cloud UPGRADE

Affected: >= 6.4.0 and < 7.2.5 · 7.4.0

Fixed in: 7.2.5

Safe to downgrade to: a release before 6.4.0

1. Check installed version

apt-cache policy forticlientems-cloud || rpm -q forticlientems-cloud || forticlientems-cloud --version

2. UPGRADE to 7.2.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade forticlientems-cloud

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade forticlientems-cloud

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 6.4.0 (Debian / Ubuntu)

apt-cache madison forticlientems-cloud sudo apt install forticlientems-cloud=<VERSION_BEFORE_6.4.0> sudo apt-mark hold forticlientems-cloud

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

dnf --showduplicates list forticlientems-cloud sudo dnf downgrade forticlientems-cloud-<VERSION_BEFORE_6.4.0> sudo dnf versionlock add forticlientems-cloud

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-2024-36506?

forticlientems: upgrade to 7.2.5; forticlientems cloud: upgrade to 7.2.5. Exact commands for each OS are on this page.

Is CVE-2024-36506 being exploited?

CVE-2024-36506 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-2024-36506 affect?

CVE-2024-36506 affects forticlientems, forticlientems cloud. Severity is low (CVSS 3.7). An improper verification of source of a communication channel vulnerability [CWE-940] in FortiClientEMS 7.4.0, 7.2.0 through 7.2.4, 7.0 all versions, 6.4 all versions may allow a remote attacker to bypass the trusted host feature via sessio

How urgent is CVE-2024-36506?

Priority 29/100. Remotely exploitable, no login, no user action

Software pages

Fortinet vulnerabilities

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References

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