Cloud Vulnerability DB
A community-led vulnerabilities database
Vulnerability DatabaseCVE-2021-35646
CVE-2021-35646:
MySQL vulnerability analysis and mitigation
Overview
CVE-2021-35646 is a vulnerability in the MySQL Server product of Oracle MySQL, specifically affecting the Server Optimizer component. The vulnerability affects MySQL Server versions 8.0.26 and prior. This vulnerability was disclosed as part of Oracle's Critical Patch Update in October 2021 (Oracle CPU).
Technical details
The vulnerability is classified as easily exploitable and allows high privileged attackers with network access via multiple protocols to compromise MySQL Server. The vulnerability has been assigned a CVSS v3.1 base score of 4.9 (MEDIUM), with the vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H (NVD, NetApp).
Impact
Successful exploitation of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of the MySQL Server Optimizer component (Oracle CPU).
Mitigation and workarounds
Oracle has released patches to address this vulnerability as part of the October 2021 Critical Patch Update. Users should upgrade to the latest version of MySQL Server. For MySQL 8.0, users should upgrade to version 8.0.27 or later (Oracle CPU).
Additional resources
Source: This report was generated using AI
Related MySQL vulnerabilities:
Free Vulnerability Assessment
Benchmark your Cloud Security Posture
Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.
Additional Wiz resources
Get a personalized demo
Ready to see Wiz in action?
"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management