CVE-2024-9916: A vulnerability, which was classified as critical, has been found in HuangDou UTCMS V9

This week

HIGH 7.3REMOTEDOWNGRADE

CVE-2024-9916 is a high-severity flaw (CVSS 7.3) affecting usualtoolcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as critical, has been found in HuangDou UTCMS V9. Affected by this issue is some unknown functionality of the file app/modules/ut-cac/admin/cli.php. The manipulation of the argument o leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why this priority

High severity
EPSS top 1%: 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	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	73.6% (top 1%)
CISA exploited list	No
Weakness	CWE-78
Published	2024-10-13
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: usualtool

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

Am I affected?

Timeline

2024-10-13 19:15 UTCPublished CVE record published
2026-06-17 08:25 UTCUpdated Record last modified

usualtool usualtoolcms DOWNGRADE

Affected: 9.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 9.0 (Debian / Ubuntu)

apt-cache madison usualtoolcms sudo apt install usualtoolcms=<VERSION_BEFORE_9.0> sudo apt-mark hold usualtoolcms

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

dnf --showduplicates list usualtoolcms sudo dnf downgrade usualtoolcms-<VERSION_BEFORE_9.0> sudo dnf versionlock add usualtoolcms

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: HuangDou UTCMS V9 - OS Command Injection

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-2024-9916?

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

Is CVE-2024-9916 being exploited?

CVE-2024-9916 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-2024-9916 affect?

CVE-2024-9916 affects usualtoolcms. Severity is high (CVSS 7.3). A vulnerability, which was classified as critical, has been found in HuangDou UTCMS V9. Affected by this issue is some unknown functionality of the file app/modules/ut-cac/admin/cli.php. The manipulation of the argument o leads to os comman

How urgent is CVE-2024-9916?

Priority 60/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-9918 MEDIUM 4.7 DOWNGRADE A vulnerability has been found in HuangDou UTCMS V9 and classified as critical
CVE-2024-9917 MEDIUM 6.3 DOWNGRADE A vulnerability, which was classified as critical, was found in HuangDou UTCMS V9

References

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