BQE BillQuick Web Suite SQL Injection Vulnerability

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

• cpe bqe/billquick web suiteversion unspecified
• vendor BQE BillQuick Web Suiteversion unspecified

How to fix CVE-2021-42258

• Recommended remediation

  Apply updates per vendor instructions. CISA due date Nov 17, 2021.

• Official advisories

  • CISA KEV · cisa.gov
  • CVE.org · cve.org
  • FIRST EPSS · first.org
  • NIST NVD · nvd.nist.gov
  • VulnCheck KEV · vulncheck.com

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Oct 22, 2021 · Catalog

   Detected

   BQE BillQuick Web Suite 2018 through 2021 before 22.0.9.1 allows SQL injection for unauthenticated remote code execution, as exploited in the wild in October 2021 for ransomware installation. SQL injection can, for example, use the txtID (aka username) parameter. Successful exploitation can include the ability to execute arbitrary code as MSSQLSERVER$ via xp_cmdshell.

2. Nov 3, 2021 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. Nov 17, 2021 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   BQE BillQuick Web Suite 2018 through 2021 before 22.0.9.1 allows SQL injection for unauthenticated remote code execution, as exploited in the wild in October 2021 for ransomware installation. SQL injection can, for example, use the txtID (aka username) parameter. Successful exploitation can include the ability to execute arbitrary code as MSSQLSERVER$ via xp_cmdshell.

Sources

• CISA KEVConfirmed exploitationCVE-2021-42258

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

  cisa.gov
• CVE.orgVulnerability recordCVE-2021-42258

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2021-42258

  30-day exploitation probability 74.4%

  first.org
• Metasploit ModulesPublic exploit moduleauxiliary_gather/billquick_txtid_sqli

  Public module reference (normal). Module source is not copied into this catalog.

  rapid7.com
• NIST NVDVulnerability recordCVE-2021-42258

  BQE BillQuick Web Suite 2018 through 2021 before 22.0.9.1 allows SQL injection for unauthenticated remote code execution, as exploited in the wild in October 2021 for ransomware installation. SQL injection can, for example, use the txtID (aka username) parameter. Successful explo

  nvd.nist.gov
• VulnCheck KEVConfirmed exploitationCVE-2021-42258

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

  vulncheck.com

References

• CISA note · nvd.nist.gov
• VulnCheck exploitation evidence · static.tenable.com
• US Government Resource · cisa.gov
• VulnCheck exploitation evidence · cisa.gov
• VulnCheck exploitation evidence · cve.org
• Exploit · huntress.com

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.