CVE-2023-33300: A improper neutralization of special elements used in a command ('command injection') in Fortinet FortiNAC 7.2

This week

MEDIUM 5.3REMOTEUPGRADE

CVE-2023-33300 is a medium-severity flaw (CVSS 5.3) affecting fortinac. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A improper neutralization of special elements used in a command ('command injection') in Fortinet FortiNAC 7.2.1 and earlier, 9.4.3 and earlier allows attacker a limited, unauthorized file access via specifically crafted request in inter-server communication port.

Why this priority

EPSS top 3%: very likely to be exploited
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	14.1% (top 3%)
CISA exploited list	No
Weakness	CWE-77
Published	2025-03-14
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

2025-03-14 16:15 UTCPublished CVE record published
2026-06-17 06:01 UTCUpdated Record last modified

fortinet fortinac UPGRADE

Affected: >= 7.2.0 and < 7.2.2 · >= 9.4.0 and < 9.4.4

Fixed in: 7.2.2, 9.4.4

Safe to downgrade to: a release before 7.2.0

1. Check installed version

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

2. UPGRADE to 7.2.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fortinac

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 7.2.0 (Debian / Ubuntu)

apt-cache madison fortinac sudo apt install fortinac=<VERSION_BEFORE_7.2.0> sudo apt-mark hold fortinac

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

dnf --showduplicates list fortinac sudo dnf downgrade fortinac-<VERSION_BEFORE_7.2.0> sudo dnf versionlock add fortinac

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-2023-33300?

fortinac: upgrade to 7.2.2, 9.4.4. Exact commands for each OS are on this page.

Is CVE-2023-33300 being exploited?

CVE-2023-33300 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-2023-33300 affect?

CVE-2023-33300 affects fortinac. Severity is medium (CVSS 5.3). A improper neutralization of special elements used in a command ('command injection') in Fortinet FortiNAC 7.2.1 and earlier, 9.4.3 and earlier allows attacker a limited, unauthorized file access via specifically crafted request in inter-se

How urgent is CVE-2023-33300?

Priority 48/100. EPSS top 3%: very likely to be exploited; Remotely exploitable, no login, no user action

Software pages

Fortinet vulnerabilities

Related CVEs

CVE-2024-31488 MEDIUM 6.8 UPGRADE An improper neutralization of inputs during web page generation vulnerability [CWE-79] in FortiNAC version 9.4
CVE-2023-26206 MEDIUM 6.8 UPGRADE An improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiNAC 9

References

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