CVE-2025-21493 — Allocation of Resources Without Limits or Throttling in Corporation Mysql Server

CWE-770 — Allocation of Resources Without Limits or Throttling CWE-404 — Improper Resource Shutdown or Release7 documents7 sources

Severity

4.4MEDIUMNVD

EPSS

0.1%

top 72.49%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Oracle Corporation Mysql Server Oracle Mysql Server

Timeline

PublishedJan 21

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Privileges). Supported versions that are affected are 8.4.3 and prior and 9.1.0 and prior. Difficult to exploit 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. CVSS 3.1 Base Score 4.4 (Ava…

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 0.7 | Impact: 3.6

Affected Packages2 packages

▶NVDoracle/mysql_server8.4.0 — 8.4.3+1

▶CVEListV5oracle_corporation/mysql_server* — 8.4.3+1

🔴Vulnerability Details

CVEList

CVE-2025-21493: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Privileges)↗2025-01-21

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OSV

CVE-2025-21493: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Privileges)↗2025-01-21

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GHSA

GHSA-p88f-4p44-q8gf: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Privileges)↗2025-01-21

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📋Vendor Advisories

Red Hat

mysql: Denial of Service Vulnerability in Oracle MySQL Server Privilege Management↗2025-01-21

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Oracle

Oracle Oracle MySQL Risk Matrix: Server: Security: Privileges — CVE-2025-21493↗2025-01-15

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Debian

CVE-2025-21493: mysql-8.0 - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Se...↗2025

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