CVE-2021-26633

Maxboard SQL injection and LFI vulnerability

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

SQL injection and Local File Inclusion (LFI) vulnerabilities in MaxBoard can cause information leakage and privilege escalation. This vulnerabilities can be exploited by manipulating a variable with a desired value and inserting and arbitrary file.

Unas vulnerabilidades de inyección SQL e inclusión de archivos locales (LFI) en MaxBoard pueden causar filtrado de información y escalada de privilegios. Estas vulnerabilidades pueden ser explotadas al manipular una variable con un valor deseado e insertando un archivo arbitrario

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-02-03 CVE Reserved
2022-06-01 CVE Published
2024-08-03 CVE Updated
2025-02-14 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CAPEC

References (1)

URL	Tag	Source
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66745	Third Party Advisory

URL	Date	SRC

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
Maxb Search vendor "Maxb"	Maxboard Search vendor "Maxb" for product "Maxboard"	< 1.9.4 Search vendor "Maxb" for product "Maxboard" and version " < 1.9.4"	-	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe