CVE-2021-2194

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AKV7TRUEQW6EV45RSZVVFLVQMNHVHBCJ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJQRPXNDH6YHQLUSCS5VA7DAW32PN7N7/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJVUTKKFQAWR7NURCQHQQ5JHTVYGEOYQ/
• https://security.netapp.com/advisory/ntap-20210513-0002/Third Party Advisory
• https://www.oracle.com/security-alerts/cpuapr2021.htmlVendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AKV7TRUEQW6EV45RSZVVFLVQMNHVHBCJ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJQRPXNDH6YHQLUSCS5VA7DAW32PN7N7/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJVUTKKFQAWR7NURCQHQQ5JHTVYGEOYQ/
• https://security.netapp.com/advisory/ntap-20210513-0002/Third Party Advisory
• https://www.oracle.com/security-alerts/cpuapr2021.htmlVendor Advisory

Published

Apr 22, 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-2021-21934A specially-crafted HTTP request can lead to SQL injection. …6.5
• CVE-2021-21935A specially-crafted HTTP request can lead to SQL injection. …6.5
• CVE-2021-21936A specially-crafted HTTP request can lead to SQL injection. …8.8
• CVE-2021-21937A specially-crafted HTTP request can lead to SQL injection. …6.5
• CVE-2021-21938A heap-based buffer overflow vulnerability exists in the Pal…8.8
• CVE-2021-21939A heap-based buffer overflow vulnerability exists in the XWD…8.8
• CVE-2021-21940A heap-based buffer overflow vulnerability exists in the pus…10
• CVE-2021-21941A use-after-free vulnerability exists in the pushMuxer Creat…9
• CVE-2021-21942An out-of-bounds write vulnerability exists in the TIFF YCbC…8.8
• CVE-2021-21943A heap-based buffer overflow vulnerability exists in the XWD…8.8
• CVE-2021-21944Two heap-based buffer overflow vulnerabilities exist in the …8.8
• CVE-2021-21945Two heap-based buffer overflow vulnerabilities exist in the …8.8