// For flags

CVE-2025-21521

mysql: Thread Pooling unspecified vulnerability (CPU Jan 2025)

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). Supported versions that are affected are 8.0.39 and prior, 8.4.2 and prior and 9.0.1 and prior. Easily exploitable vulnerability allows unauthenticated 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

An update for the mysql:8.0 module is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.4 Telecommunications Update Service.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-12-24 CVE Reserved
  • 2025-01-21 CVE Published
  • 2025-01-22 CVE Updated
  • 2025-04-10 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
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"
 <= 8.0.39
Search vendor "Oracle Corporation" for product "MySQL Server" and version " <= 8.0.39"
en
Affected
Oracle Corporation
Search vendor "Oracle Corporation"
 MySQL Server
Search vendor "Oracle Corporation" for product "MySQL Server"
 <= 8.4.2
Search vendor "Oracle Corporation" for product "MySQL Server" and version " <= 8.4.2"
en
Affected
Oracle Corporation
Search vendor "Oracle Corporation"
 MySQL Server
Search vendor "Oracle Corporation" for product "MySQL Server"
 <= 9.0.1
Search vendor "Oracle Corporation" for product "MySQL Server" and version " <= 9.0.1"
en
Affected