CVE-2025-21494: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Privileges). Supported versions that are affected are 8.0.39 and prior, 8.4.2 and prior and 9.0.1 and prior. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (comp

CSIRTS triage

vendor: Oracle product: MySQL Server Privilege escalationaffected: 8.0.39 and prior, 8.4.2 and prior, 9.0.1 and prior

What: A privilege-related vulnerability in MySQL Server allows a high-privileged authenticated attacker to escalate privileges via unspecified means.
Who is affected: MySQL deployments running versions 8.0.39 or earlier, 8.4.2 or earlier, or 9.0.1 or earlier with privileged user access.
Urgency: Medium priority; requires high privilege level and authentication to exploit, and exploitation status is unconfirmed.
Action: Upgrade MySQL Server to patched versions beyond 8.0.39, 8.4.2, or 9.0.1.

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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-2025-214940.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.

CVE	CSIRTS overview	External
CVE-2025-21494	coverage & exploitation status	NVD · CVE.org