The Oracle 19c Access Bypass refers to a potential vulnerability in Oracle Database 19c that could allow an attacker to bypass access control measures and gain unauthorized access to sensitive data.
This vulnerability, tracked as CVE-2020-14882, affects the Oracle WebLogic Server component of Oracle Database and can be exploited remotely without authentication. An attacker can exploit this vulnerability by sending a specially crafted HTTP request to the server, which could allow them to execute arbitrary code and take control of the affected system.
Oracle has released a security patch to address this vulnerability and it is recommended that users of Oracle Database 19c and Oracle WebLogic Server apply the patch as soon as possible. In addition, users should implement other security best practices such as limiting network exposure, using strong passwords, and monitoring their systems for suspicious activity.