{"schema":"threatline.record/2","record":{"id":"CVE-2021-42258","aliases":[],"summary":"BQE BillQuick Web Suite SQL Injection Vulnerability","details":"BQE BillQuick Web Suite contains an SQL injection vulnerability when accessing the username parameter that may allow for unauthenticated, remote code execution.","categories":["Unclassified"],"product":"BillQuick Web Suite","vendor":"BQE","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2021-42258","source_modified_at":"2025-10-21T23:25:28.059Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2021-11-03","due_date":"2021-11-17","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Known"},"epss":{"probability":0.74426,"percentile":0.99494,"score_date":"2026-10-23"},"published_at":"2021-10-22T21:25:55.000Z","modified_at":"2025-10-21T23:25:28.059Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2021-42258","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:25:28.059Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/billquick_txtid_sqli.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2021-10-22"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-42258.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2021-42258","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Nuclei","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42258","source":"CISA KEV"},{"source":"CVE List","url":"https://www.huntress.com/blog/threat-advisory-hackers-are-exploiting-a-vulnerability-in-popular-billing-software-to-deploy-ransomware","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42258","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2025-02-03T14:09:30.165998Z"},"exploits":[{"source":"Metasploit","kind":"Auxiliary module","name":"BillQuick Web Suite txtID SQLi","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/billquick_txtid_sqli.rb","date":"2021-10-22","added":"2025-05-21","check":true},{"source":"Nuclei","kind":"Scanner template","name":"BillQuick Web Suite SQL Injection","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-42258.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2025-10-21T23:25:28.059Z","content_hash":"5ca1e2b59d9ab35093ffbe73031fb9673d3ddb2c47e31fca5426e9b24c37896d"}}