CVE-2025-21529

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

CSIRTS triage

vendor: Oracle product: MySQL Server Information disclosureaffected: 8.0.40 and prior, 8.4.3 and prior, 9.1.0 and prior

What: A vulnerability in MySQL Server Information Schema component allows high-privileged attackers with network access to access sensitive information.
Who is affected: MySQL Server deployments 8.0.40, 8.4.3, or 9.1.0 and earlier with high-privileged network-accessible accounts.
Urgency: Medium severity (CVSS 4.9) and not exploited; requires high privilege level which limits practical risk.
Action: Upgrade MySQL Server to a patched version after 8.0.40, 8.4.3, or 9.1.0 respectively.

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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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