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CVE-2024-21015: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 8.0.34 and prior and 8.3.0 and prior. Easily exploitable vulnerability allows high 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 as well as unauthorized upd

mediumCVSS 5.5CVE-2024-21015

CSIRTS triage

vendor: Oracleproduct: MySQL ServerOtheraffected: 8.0.34 and prior, 8.3.0 and prior
What
A DML component vulnerability allows a high-privileged attacker to compromise MySQL Server.
Who is affected
Deployments running MySQL 8.0.34 or earlier and 8.3.0 or earlier with high-privileged users with network access.
Urgency
Medium priority with a CVSS of 5.5; not currently exploited but requires network access.
Action
Upgrade to a patched version after 8.0.34 or 8.3.0.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 5.5
Published
2026-08-06
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21015

Exploitation outlook

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

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2024-21015coverage & exploitation statusNVD · CVE.org

Recent advisories for MySQL Server product

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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