Zero-day vulnerability in BillQuick Web Suite

SQL injection

The vulnerability allows a remote attacker to cause SQL injection, leading to remote code execution.

Vulnerability details

Advisory: SB2021102516 - SQL injection in BQE BillQuick Web Suite

Vulnerable component: BillQuick Web Suite

CVE-ID: CVE-2021-42258

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

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


The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Note, the vulnerability is being actively exploited in the wild.

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