Medium severity · published Jan 21, 2025
CVE-2025-21518
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)
6.5
CVSS
1.1%
EPSS
No
On KEV
Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). 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 low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
Mysql Cluster · Oracle
7.6.0 through 7.6.32; 8.0.0 through 8.0.40; 8.4.0 through 8.4.3; 9.0.0 through 9.1.0 · source: NVD
MS
Mysql Server · Oracle
8.0.0 through 8.0.40; 8.4.0 through 8.4.3; 9.0.0 through 9.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-21518
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-21518
Vendor Advisory
https://www.oracle.com/security-alerts/cpujan2025.html
security.netapp.com
https://security.netapp.com/advisory/ntap-20250131-0004/
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