CVE-2020-8639

TestLink 1.9.20 - Unrestricted File Upload (Authenticated)

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An unrestricted file upload vulnerability in keywordsImport.php in TestLink 1.9.20 allows remote attackers to execute arbitrary code by uploading a file with an executable extension. This allows an authenticated attacker to upload a malicious file (containing PHP code to execute operating system commands) to a publicly accessible directory of the application.

Una vulnerabilidad de carga de archivos no restringida en el archivo keywordsImport.php en TestLink versión 1.9.20, permite a atacantes remotos ejecutar código arbitrario al cargar un archivo con una extensión ejecutable. Esto permite a un atacante autenticado cargar un archivo malicioso (que contiene código PHP para ejecutar comandos del sistema operativo) en un directorio de la aplicación accesible públicamente.

TestLink version 1.9.20 suffers from a remote shell upload vulnerability.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-02-05 CVE Reserved
2020-04-03 CVE Published
2021-02-14 First Exploit
2024-08-04 CVE Updated
2025-04-05 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-434: Unrestricted Upload of File with Dangerous Type

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC
https://packetstorm.news/files/id/161401	2021-02-14
https://www.exploit-db.com/exploits/49561	2021-02-15
http://packetstormsecurity.com/files/161401/TestLink-1.9.20-Shell-Upload.html	2024-08-04
https://ackcent.com/blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection	2024-08-04

URL	Date	SRC
https://github.com/TestLinkOpenSourceTRMS/testlink-code/commit/57d81ae350d569c5c95087997fe051c49e14516d	2021-02-22

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Testlink Search vendor "Testlink"		Testlink Search vendor "Testlink" for product "Testlink"				1.9.20 Search vendor "Testlink" for product "Testlink" and version "1.9.20"		-		Affected