CVE-2021-42258
BQE BillQuick Web Suite SQL Injection Vulnerability
What is affected
| Vendor | BQE |
|---|---|
| Product | BillQuick Web Suite |
| Weakness | CWE-89 |
The vulnerability
BQE BillQuick Web Suite contains an SQL injection vulnerability when accessing the username parameter that may allow for unauthenticated, remote code execution.
Required action
Apply updates per vendor instructions.
US federal civilian agencies were required to act by 17 November 2021 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.
Ransomware
CISA records this vulnerability as having been used in ransomware campaigns. That is a confirmed observation, not an assessment of likelihood.
Where this comes from
Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 13 Nov 2026, 00:30. Nothing here is our own assessment. For the technical scoring, see the NVD record below.