CVE-2024-9981: The ee-class from FormosaSoft does not properly validate a specific page parameter, allowing remote attackers

Q: How do I fix CVE-2024-9981?

ee-class: upgrade to 2024-03-26. Exact commands for each OS are on this page.

Q: Is CVE-2024-9981 being exploited?

CVE-2024-9981 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-9981 affect?

CVE-2024-9981 affects ee-class. Severity is high (CVSS 8.8). The ee-class from FormosaSoft does not properly validate a specific page parameter, allowing remote attackers with regular privileges to upload a malicious PHP file first and then exploit this vulnerability to include the file, resulting in

This month

HIGH 8.8UPGRADE

CVE-2024-9981 is a high-severity flaw (CVSS 8.8) affecting ee-class. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The ee-class from FormosaSoft does not properly validate a specific page parameter, allowing remote attackers with regular privileges to upload a malicious PHP file first and then exploit this vulnerability to include the file, resulting in arbitrary code execution on the server.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-98, CWE-434
Published	2024-10-15
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: formosasoft

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

Am I affected?

Timeline

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

formosasoft ee-class UPGRADE

Affected: < 2024-03-26

Fixed in: 2024-03-26

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ee-class || rpm -q ee-class || ee-class --version

2. UPGRADE to 2024-03-26 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ee-class

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ee-class

Note

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

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-2024-9981?

ee-class: upgrade to 2024-03-26. Exact commands for each OS are on this page.

Is CVE-2024-9981 being exploited?

CVE-2024-9981 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-2024-9981 affect?

CVE-2024-9981 affects ee-class. Severity is high (CVSS 8.8). The ee-class from FormosaSoft does not properly validate a specific page parameter, allowing remote attackers with regular privileges to upload a malicious PHP file first and then exploit this vulnerability to include the file, resulting in

How urgent is CVE-2024-9981?

Priority 45/100. High severity

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-9980 HIGH 8.8 UPGRADE The ee-class from FormosaSoft does not properly validate a specific page parameter, allowing remote attackers

References

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