CVE-2021-2169

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). 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.
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• CVE-2021-21684Jenkins Git Plugin 4.8.2 and earlier does not escape the Git…6.1
• CVE-2021-21685Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not …9.1
• CVE-2021-21686File path filters in the agent-to-controller security subsys…8.1
• CVE-2021-21687Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not …9.1
• CVE-2021-21688The agent-to-controller security check FilePath#reading(File…7.5
• CVE-2021-21689FilePath#unzip and FilePath#untar were not subject to any ag…9.1
• CVE-2021-21690Agent processes are able to completely bypass file path filt…9.8
• CVE-2021-21691Creating symbolic links is possible without the 'symlink' ag…9.8
• CVE-2021-21692FilePath#renameTo and FilePath#moveAllChildrenTo in Jenkins …9.8
• CVE-2021-21693When creating temporary files, agent-to-controller access to…9.8
• CVE-2021-21694FilePath#toURI, FilePath#hasSymlink, FilePath#absolutize, Fi…9.8
• CVE-2021-21695FilePath#listFiles lists files outside directories that agen…8.8