SQL Injection Vulnerability in YubiKey Validation Server Affects Multiple Versions
CVE-2020-10184

7.5HIGH

Key Information:

Vendor: Yubico
Status: Yubikey One Time Password Validation Server
Vendor: CVE Published:; 5 March 2020

What is CVE-2020-10184?

The verify endpoint in YubiKey Validation Server versions prior to 2.40 lacks proper validation of SQL query lengths, enabling remote attackers to exploit this flaw and potentially cause a denial of service. This vulnerability specifically impacts self-hosted OTP validation services utilizing the server, while YubiCloud users are not affected. Users are encouraged to upgrade to the latest version to mitigate this risk.

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