CVE-2021-42258

CRITICAL9.8

BQE BillQuick Web Suite 2018 through 2021 before 22

Published Oct 22, 2021

Modified 4 months ago

Details

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.

References

WEB

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42258

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2021-42258

WEB

https://www.huntress.com/blog/threat-advisory-hackers-are-exploiting-a-vulnerability-in-popular-billing-software-to-deploy-ransomware

CVSS Analysis

CVSS v3.1

9.8

Exploitability

Attack Vector