CVE-2025-21494

mediumCVSS 4.1covered by 1 sourcefirst seen 2026-08-06

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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Low exploitation risk0.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.

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