CVE-2024-21177: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.37 and prior and 8.4.0 and prior. Easily exploitable vulnerability allows low 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 6.

CSIRTS triage

What: An optimizer vulnerability in MySQL Server allows a low-privileged attacker to cause a denial of service condition.
Who is affected: MySQL 8.0.x and 8.4.x deployments accessible to database users with minimal privileges.
Urgency: Medium priority; easily exploitable but impacts availability rather than confidentiality or integrity.
Action: Upgrade to the latest patched version of MySQL Server beyond 8.0.37 or 8.4.0.

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EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2024-211770.76% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all EPSS-scored CVEs.

CVE	CSIRTS overview	External
CVE-2024-21177	coverage & exploitation status	NVD · CVE.org