Critical severity9.8CISA KEVNVD Advisory· Published Oct 22, 2021· Updated Jun 17, 2026
CVE-2021-42258
CVE-2021-42258
Description
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.
Affected products
4cpe:2.3:a:bqe:billquick_web_suite:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:bqe:billquick_web_suite:*:*:*:*:*:*:*:*range: >=19,<22.0.9.1
- (no CPE)range: <22.0.9.1
- BQE/BillQuick Web Suitedescription
Patches
Vulnerability mechanics
References
2- www.huntress.com/blog/threat-advisory-hackers-are-exploiting-a-vulnerability-in-popular-billing-software-to-deploy-ransomwarenvdExploitThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
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