CVE-2021-2471

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.26 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Connectors accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors. CVSS 3.1 Base Score 5.9 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H).

• https://www.oracle.com/security-alerts/cpuapr2022.htmlVendor Advisory
• https://www.oracle.com/security-alerts/cpuoct2021.htmlVendor Advisory
• https://www.oracle.com/security-alerts/cpuapr2022.htmlVendor Advisory
• https://www.oracle.com/security-alerts/cpuoct2021.htmlVendor Advisory

Published

Oct 20, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2021-24704In the Orange Form WordPress plugin through 1.0, the process…8.8
• CVE-2021-24705The NEX-Forms WordPress plugin before 8.4.3 does not have CS…4.8
• CVE-2021-24706The Qwizcards – online quizzes and flashcards WordPress plug…4.8
• CVE-2021-24707The Learning Courses WordPress plugin before 5.0 does not sa…4.8
• CVE-2021-24708The Export any WordPress data to XML/CSV WordPress plugin be…4.8
• CVE-2021-24709The Weather Effect WordPress plugin before 1.3.6 does not pr…4.8
• CVE-2021-24710The Print-O-Matic WordPress plugin before 2.0.3 does not esc…4.8
• CVE-2021-24711The del_reistered_domains AJAX action of the Software Licens…8.8
• CVE-2021-24712The Appointment Hour Booking WordPress plugin before 1.3.17 …5.4
• CVE-2021-24713The Video Lessons Manager WordPress plugin before 1.7.2 and …4.8
• CVE-2021-24714The Import any XML or CSV File to WordPress plugin before 3.…4.8
• CVE-2021-24715The WP Sitemap Page WordPress plugin before 1.7.0 does not p…4.8