Fernus LMS prior 23.04.03 unrestricted upload

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Fernus LMS. It has been declared as very critical. The affected element is an unknown function. Such manipulation leads to unrestricted upload. This vulnerability is documented as CVE-2023-1728. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Fernus LMS. It has been rated as very critical. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was released 04/04/2023. The advisory is available at usom.gov.tr. This vulnerability is handled as CVE-2023-1728 since 03/30/2023. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/22/2026). This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

Upgrading to version 23.04.03 eliminates this vulnerability.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: LMS 23.04.03

Timelineinfo

03/30/2023 🔍
04/04/2023 +5 days 🔍
04/04/2023 +0 days 🔍
05/22/2026 +1144 days 🔍

Sourcesinfo

Advisory: usom.gov.tr
Status: Confirmed

CVE: CVE-2023-1728 (🔍)
GCVE (CVE): GCVE-0-2023-1728
GCVE (VulDB): GCVE-100-224846

Entryinfo

Created: 04/04/2023 15:34
Updated: 05/22/2026 22:09
Changes: 04/04/2023 15:34 (46), 05/22/2026 22:09 (27)
Complete: 🔍
Cache ID: 216::103

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