CVE-2023-1728

CRITICAL 9.8CVE-2023-1728 · Published 04/04/2023 · updated 17/06/2026

In short

CVE-2023-1728 is a CRITICAL (CVSS 9.8) vulnerability affecting learning management systems (fernus).
Chance of exploitation in the next 30 days (EPSS): 1.4%, higher than 72.0% of all vulnerabilities.
Fix: update to 23.04.03 or later.

Package	Affected versions	Patched versions
learning management systems fernus	`< 23.04.03`	`23.04.03`

Description

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.

References

siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0194
usom.gov.tr/bildirim/tr-23-0194 · Third Party Advisory

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