PT-2023-17196 · Fernus Informatics · Fernus Informatics Lms

Published 2023-04-04 · Updated 2026-05-22 · CVE-2023-1728

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Fernus Informatics LMS versions prior to 23.04.03

Description The issue allows OS Command Injection and Server Side Include (SSI) Injection due to an Unrestricted Upload of File with Dangerous Type vulnerability. This vulnerability can be exploited to execute arbitrary commands on the server or inject malicious code.

Recommendations For versions prior to 23.04.03, update to version 23.04.03 or later to resolve the issue. As a temporary workaround, consider restricting file uploads to only allow safe file types until a patch is applied. Restrict access to sensitive server-side functionality to minimize the risk of exploitation.

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2023-1728

Affected Products

Fernus Informatics Lms

References · 8

• https://osv.dev/vulnerability/CVE-2023-1728 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-1728 · Security Note
• https://t.me/cvenotify/47841 · Telegram Post
• https://t.me/cvenotify/48392 · Telegram Post
• https://t.me/cibsecurity/61371 · Telegram Post
• https://t.me/cveNotify/164578 · Telegram Post
• https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0194 · Note
• https://usom.gov.tr/bildirim/tr-23-0194 · Note