CVE-2025-21505

mediumCVSS 4.9covered by 1 sourcefirst seen 2026-08-06

CSIRTS triage

vendor: Oracle product: MySQL ServerOtheraffected: 8.0.40 and prior, 8.4.3 and prior, 9.1.0 and prior

What: Unspecified vulnerability in MySQL Server Components Services requiring high privilege network access.
Who is affected: MySQL 8.0.40, 8.4.3, and 9.1.0 and earlier deployments with high-privileged accounts accessible over network.
Urgency: Medium priority; requires high privilege and network access, limiting practical exploitation scope.
Action: Upgrade to MySQL 8.0.41, 8.4.4, 9.1.1 or later to patch the Components Services vulnerability.

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Moderate exploitation risk1.1% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 62% of all EPSS-scored CVEs.

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