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BQE · BillQuick Web Suite

CVE-2021-42258

BQE BillQuick Web Suite SQL Injection Vulnerability

Exploited in attacks Used by ransomware Critical 9.8 Attack chance: 74%
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What it is

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.

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

What to do

Apply updates per vendor instructions.

Deadline for US federal agencies: November 17, 2021

Added to the CISA list
November 3, 2021
Published
October 22, 2021
Severity
Critical 9.8 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
74% in the top 0.5% of all known vulnerabilities
Weakness
CWE-89
More details
NVD · CVE.org · CISA
All references (1)

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.