TI-2023-01621 Aliases CVE-2023-1728 GHSA-7c26-wxq9-97c9

Unrestricted Upload of File with Dangerous Type in Fernus LMS

MEDIUM 52CWE-434Published 2023-04-04 · Updated 2026-05-22

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

Unrestricted Upload of File with Dangerous Type vulnerability in Fernus Informatics LMS allows OS Command Injection, Server Side Include (SSI) Injection. This issue affects LMS: before 23.04.03.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01369 72nd percentileScored 2026-11-07

Fix Fixed LMS (Fernus Informatics): 23.04.03

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Fernus Informatics	LMS	before 23.04.03	23.04.03	Patch available	CNA

LMS VendorFernus Informatics Affected before 23.04.03 Fixed in 23.04.03 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:fernus:learning_management_systems::::::::	before 23.04.03	Vulnerable	Fernus

cpe:2.3:a:fernus:learning_management_systems:*:*:*:*:*:*:*:* Versions before 23.04.03 Vulnerable ·Fernus

Remediation

Fix · CNA LMS (Fernus Informatics) Fixed in 23.04.03

Timeline

2026-10-02 Threatist record created from CVE-2023-1728
2026-10-03 Alias added: GHSA-7c26-wxq9-97c9

References

Advisory 1

https://www.usom.gov.tr/bildirim/tr-23-0194

Other 1

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0194

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences