FormosaSoft ee-class - Local File Inclusion

published 2024-10-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-50260

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits: 0; none known

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.

Patch / fix

fixed in 2

FormosaSoft ee-class 20240326.13r14494
formosasoft ee_class 20240326.13r14494

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-10-15)

Exploit prediction

0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

FormosaSoft ee-class
formosasoft ee_class

Classification

Weakness

CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program
CWE-434 Unrestricted Upload of File with Dangerous Type

References

twcert.org.tw /tw/cp-132-8144-2885b-1.html
third-party-advisory
twcert.org.tw /en/cp-139-8145-15bea-2.html
third-party-advisory

Sources

CVE List CVE-2024-9981
NVD CVE-2024-9981

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary