CVE-2020-26130

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Issues were discovered in Open TFTP Server multithreaded 1.66 and Open TFTP Server single port 1.66. Due to insufficient access restrictions in the default installation directory, an attacker can elevate privileges by replacing the OpenTFTPServerMT.exe or the OpenTFTPServerSP.exe binary.

Se detectaron problemas en Open TFTP Server multiproceso versión 1.66 y Open TFTP Server single puerto versión 1.66. Debido a restricciones insuficientes de acceso en el directorio de instalación predeterminado, un atacante puede escalar privilegios al reemplazar el binario OpenTFTPServerMT.exe o OpenTFTPServerSP.exe

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-09-28 CVE Reserved
2020-10-28 CVE Published
2024-03-02 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-732: Incorrect Permission Assignment for Critical Resource

CAPEC

References (3)

URL	Tag	Source
https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26130.md
https://sourceforge.net/projects/tftp-server	Product

URL	Date	SRC
https://github.com/an0ry/advisories	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Open Tftp Server Project Search vendor "Open Tftp Server Project"		Open Tftp Server Search vendor "Open Tftp Server Project" for product "Open Tftp Server"				1.66 Search vendor "Open Tftp Server Project" for product "Open Tftp Server" and version "1.66"		mt		Affected
Open Tftp Server Project Search vendor "Open Tftp Server Project"		Open Tftp Server Search vendor "Open Tftp Server Project" for product "Open Tftp Server"				1.66 Search vendor "Open Tftp Server Project" for product "Open Tftp Server" and version "1.66"		sp		Affected