High Severity Vulnerability
This vulnerability has been rated as High severity. Immediate action is recommended.
CVE-2025-21521
HighVulnerability Description
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).
CVSS Metrics
Common Vulnerability Scoring System
Vector String:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Known Affected Software
26 configuration(s) from 1 vendor(s)
cpe:2.3:a:oracle:mysql_server:8.0.30:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.4.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.34:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.31:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.23:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.35:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.4.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.17:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.29:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.36:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.22:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.33:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:9.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.37:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.28:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.27:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:9.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.32:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.38:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.15:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.26:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.25:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.39:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:8.0.24:*:*:*:*:*:*:*
2025-Jan-CVE-2025-21521
CVE-2025-21521: 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).
CVE-2025-21521
CVE-2025-21521
CPUJAN2025
Oracle Critical Patch Update Advisory - January 2025
Severity Details
Weakness Type (CWE)
Allocation of Resources Without Limits or Throttling
- Description
- The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
- Exploit Likelihood
- High
- Typical Severity
- Medium
- Abstraction Level
- Base
Key Information
- Published Date
- January 21, 2025
