What’s Vulnerable › Vulnerabilities

CVE-2021-44161: Changing Information Technology Inc. MOTP(Mobile One Time Password) - SQL Injection

• Severity: medium (CVSS 5.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-29 · updated 2026-06-17
• Weakness: CWE-89

Description

Changing MOTP (Mobile One Time Password) system’s specific function parameter has insufficient validation for user input. A attacker in local area network can perform SQL injection attack to read, modify or delete backend database without authentication.

Affected products

• ChangingTec MOTP: from 3.5

References

• https://www.twcert.org.tw/tw/cp-132-5423-84a13-1.html
• https://www.twcert.org.tw/tw/cp-132-5423-84a13-1.html

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