CVE-2021-42258

KEV
Published: Ott 22, 2021 Last Modified: Nov 10, 2025
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 6,8
Source: [email protected]
Access Vector: network
Access Complexity: medium
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

BQE BillQuick Web Suite 2018 through 2021 before 22.0.9.1 allows SQL injection for unauthenticated remote code execution, as exploited in the wild in October 2021 for ransomware installation. SQL injection can, for example, use the txtID (aka username) parameter. Successful exploitation can include the ability to execute arbitrary code as MSSQLSERVER$ via xp_cmdshell.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,9366
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

89

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Availability Authentication Access Control
Potential Impacts:
Execute Unauthorized Code Or Commands Read Application Data Gain Privileges Or Assume Identity Bypass Protection Mechanism Modify Application Data
Applicable Platforms
Languages: Not Language-Specific, SQL
Technologies: Database Server
Likelihood of Exploit: High
View CWE Details
Application

Billquick Web Suite by Bqe

Product Information
Vendor Bqe
Product Billquick Web Suite
Version Range Affected
From 19 (inclusive)
To 22.0.9.1 (exclusive)
cpe:2.3:a:bqe:billquick_web_suite:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
https://www.huntress.com/blog/threat-advisory-hackers-are-e…
https://www.huntress.com/blog/threat-advisory-hackers-are-exploiting-a-vulnerab…
https://www.huntress.com/blog/threat-advisory-hackers-are-e…
https://www.huntress.com/blog/threat-advisory-hackers-are-exploiting-a-vulnerab…