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CISA KEV(1802d overdue)EPSS 74.4%top 0.51%Ransomware

CVE-2021-42258: BQE BillQuick Web Suite SQL Injection Vulnerability

0
High
Vulnerability
Published: 11/03/2021 (11/03/2021, 00:00:00 UTC)
Last modified: 10/24/2026
Source: CISA KEV
Vendor/Project: BQE
Product: BillQuick Web Suite

Description

BQE BillQuick Web Suite is affected by an SQL injection vulnerability in the username parameter that can be exploited remotely without authentication. This vulnerability may lead to remote code execution. It has been exploited in the wild and is associated with known ransomware campaigns.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/24/2026, 09:27:54 UTC

Technical Analysis

CVE-2021-42258 describes an SQL injection vulnerability in BQE BillQuick Web Suite, specifically when processing the username parameter. This flaw allows unauthenticated attackers to execute arbitrary SQL commands, potentially leading to remote code execution. The vulnerability has been observed in active exploitation scenarios, including ransomware campaigns.

Potential Impact

Successful exploitation can result in remote code execution on the affected system without requiring authentication. This poses a high risk of system compromise, data theft, or ransomware deployment.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the affected application and monitor for suspicious activity related to SQL injection attempts.

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Threat ID: 6adc6f603fe894698b2dd99d

Added to database: 10/24/2026, 08:42:08 UTC

Last enriched: 10/24/2026, 09:27:54 UTC

Last updated: 10/24/2026, 09:30:24 UTC

Views: 3

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