How severe is CVE-2024-9981?

CVE-2024-9981 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-9981 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-9981?

CVE-2024-9981 affects Formosasoft Ee-class. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-9981?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-9981 have an EU (EUVD) identifier?

Yes. CVE-2024-9981 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-50260.

When was CVE-2024-9981 published?

CVE-2024-9981 was published on 2024-10-15 and last updated on 2026-06-17.

CVE-2024-9981

CVE-2024-9981 is a high-severity vulnerability in Formosasoft Ee-class with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-50260
Weakness: CWE-434
Affected product: Formosasoft Ee-class
Published: 2024-10-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2024-9981?: 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.
How severe is CVE-2024-9981?: CVE-2024-9981 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-9981 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-9981?: CVE-2024-9981 affects Formosasoft Ee-class. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-9981?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-9981 have an EU (EUVD) identifier?: Yes. CVE-2024-9981 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-50260.
When was CVE-2024-9981 published?: CVE-2024-9981 was published on 2024-10-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:formosasoft:ee-class:*:*:*:*:*:*:*:*

More vulnerabilities in Formosasoft Ee-class

CVE-2024-9980 — High (CVSS 8.8): The ee-class from FormosaSoft does not properly validate a specific page parameter, allowing remote attackers with…

All CVEs affecting Formosasoft Ee-class →

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-48283 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-48276 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-57700 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in Daan.Dev OMGF Pro allows Using Malicious Files. This…
CVE-2025-69129 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in WordPress & WooCommerce Scraper Plugin, Import Data from Any Site <= 1.0.7…
CVE-2026-40772 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions.
CVE-2026-40412 — Critical (CVSS 10.0): Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code…

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →