CVE-2025-21490

mysql: High Privilege Denial of Service Vulnerability in MySQL Server

Severity Score

4.9

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

A flaw was found in the MySQL Server component: InnoDB. This vulnerability allows a high-privileged attacker to cause a denial of service, which causes frequent crashes or hangs, via multiple network protocols.

Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 8.0.41 in Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 24.10. In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Multiple

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-12-24 CVE Reserved
2025-01-21 CVE Published
2025-01-23 CVE Updated
2025-01-24 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-404: Improper Resource Shutdown or Release
CWE-770: Allocation of Resources Without Limits or Throttling

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.oracle.com/security-alerts/cpujan2025.html	2025-01-21
https://access.redhat.com/security/cve/CVE-2025-21490	2025-02-19
https://bugzilla.redhat.com/show_bug.cgi?id=2339221	2025-02-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Oracle Corporation Search vendor "Oracle Corporation"		MySQL Server Search vendor "Oracle Corporation" for product "MySQL Server"				<= 8.0.40 Search vendor "Oracle Corporation" for product "MySQL Server" and version " <= 8.0.40"		en		Affected
Oracle Corporation Search vendor "Oracle Corporation"		MySQL Server Search vendor "Oracle Corporation" for product "MySQL Server"				<= 8.4.3 Search vendor "Oracle Corporation" for product "MySQL Server" and version " <= 8.4.3"		en		Affected
Oracle Corporation Search vendor "Oracle Corporation"		MySQL Server Search vendor "Oracle Corporation" for product "MySQL Server"				<= 9.1.0 Search vendor "Oracle Corporation" for product "MySQL Server" and version " <= 9.1.0"		en		Affected