CVE-2025-21559 — Missing Authentication for Critical Function in Corporation Mysql Server

CWE-306 — Missing Authentication for Critical Function CWE-404 — Improper Resource Shutdown or Release8 documents8 sources

Severity

5.5MEDIUMNVD

EPSS

0.1%

top 66.00%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Oracle Corporation Mysql Server Oracle Mysql Server

Timeline

PublishedJan 21

Latest updateJan 30

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.40 and prior, 8.4.3 and prior and 9.1.0 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 update, ins…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:HExploitability: 1.2 | Impact: 4.2

Affected Packages2 packages

▶NVDoracle/mysql_server8.0.0 — 8.0.40+2

▶CVEListV5oracle_corporation/mysql_server* — 8.0.40+2

🔴Vulnerability Details

CVEList

CVE-2025-21559: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB)↗2025-01-21

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OSV

CVE-2025-21559: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB)↗2025-01-21

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GHSA

GHSA-fcqg-w4pm-f4j3: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB)↗2025-01-21

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📋Vendor Advisories

Ubuntu

MySQL vulnerabilities↗2025-01-30

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Red Hat

mysql: MySQL Server InnoDB Denial of Service and Unauthorized Data Modification Vulnerability↗2025-01-21

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Oracle

Oracle Oracle MySQL Risk Matrix: InnoDB — CVE-2025-21559↗2025-01-15

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Debian

CVE-2025-21559: mysql-8.0 - Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). ...↗2025

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