CVE-2021-42258

BQE BillQuick Web Suite SQL Injection Vulnerability

n/a

CVSS

73.5%

EPSS (exploit prob.)

99.4%

EPSS percentile

Yes

Actively exploited

Yes

Ransomware use

2021-11-03

Added

MITRE ATT&CK techniques

How this vulnerability maps to adversary behaviour, from the Center for Threat-Informed Defense's public CVE→ATT&CK mappings. Use it to check whether your detections already cover the technique.

Technique	Name	Relationship
T1059	Command and Scripting Interpreter	primary impact
T1486	Data Encrypted for Impact	secondary impact

Summary

BQE BillQuick Web Suite contains an SQL injection vulnerability when accessing the username parameter that may allow for unauthenticated, remote code execution.

Affected software

Vendor: BQE · Product: BillQuick Web Suite

Weakness types (CWE):

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

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