{"cveID":"CVE-2021-42258","vendorProject":"BQE","product":"BillQuick Web Suite","vulnerabilityName":"BQE BillQuick Web Suite SQL Injection Vulnerability","dateAdded":"2021-11-03","shortDescription":"BQE BillQuick Web Suite contains an SQL injection vulnerability when accessing the username parameter that may allow for unauthenticated, remote code execution.","requiredAction":"Apply updates per vendor instructions.","dueDate":"2021-11-17","knownRansomwareCampaignUse":"Known","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-42258","cwes":["CWE-89"],"year":2021,"state":"mapped","stale_reasons":[],"mappings":[{"domain":"enterprise","cve":"CVE-2021-42258","technique":"T1059","technique_name_at_mapping":"Command and Scripting Interpreter","mapping_type":"primary_impact","capability_group":"sql_injection","comments":"CVE-2021-42258 is a SQL injection vulnerability in BillQuick Web Suite that allows  attackers to execute arbitrary SQL commands on the database server","references":["https://therecord.media/hackers-use-sql-injection-bug-in-billquick-billing-app-to-deploy-ransomware","https://www.huntress.com/blog/threat-advisory-hackers-are-exploiting-a-vulnerability-in-popular-billing-software-to-deploy-ransomware"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"enterprise","cve":"CVE-2021-42258","technique":"T1486","technique_name_at_mapping":"Data Encrypted for Impact","mapping_type":"secondary_impact","capability_group":"sql_injection","comments":"CVE-2021-42258 is a SQL injection vulnerability in BillQuick Web Suite that allows  attackers to execute arbitrary SQL commands on the database server","references":["https://therecord.media/hackers-use-sql-injection-bug-in-billquick-billing-app-to-deploy-ransomware","https://www.huntress.com/blog/threat-advisory-hackers-are-exploiting-a-vulnerability-in-popular-billing-software-to-deploy-ransomware"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"}],"techniques":[{"id":"T1059","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Command and Scripting Interpreter","name_at_mapping":"Command and Scripting Interpreter","renamed":false,"revoked_by":null,"mapping_types":["primary_impact"],"sigma_rule_count":95,"has_detection_strategy":true},{"id":"T1486","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Data Encrypted for Impact","name_at_mapping":"Data Encrypted for Impact","renamed":false,"revoked_by":null,"mapping_types":["secondary_impact"],"sigma_rule_count":16,"has_detection_strategy":true}],"mapping_types":["primary_impact","secondary_impact"],"has_exploitation_technique":false,"mapping_attack_versions":["16.1"],"mapping_domains":["enterprise"],"sigma_coverage":"full","sigma_rules_tagged_cve":[],"added_after_mapping_snapshot":false,"_source":"kevmap","_built":"2026-08-23 05:47 UTC","_attack_version":"19.2"}