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Medium severity4.4NVD Advisory· Published Jan 21, 2025· Updated Jun 17, 2026

CVE-2025-21495

CVE-2025-21495

Description

Vulnerability in the MySQL Enterprise Firewall product of Oracle MySQL (component: Firewall). Supported versions that are affected are 8.0.40 and prior, 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 Enterprise Firewall. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Enterprise Firewall. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

Affected products

4
  • Oracle Corporation/Mysql Enterprise Firewallcpe-rescue4 versions
    cpe:2.3:a:oracle:mysql_enterprise_firewall:8.0.40_and_prior:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:a:oracle:mysql_enterprise_firewall:8.0.40_and_prior:*:*:*:*:*:*:*range: *
    • (no CPE)range: <=8.0.40, <=8.4.3, <=9.1.0
    • cpe:2.3:a:oracle:mysql_enterprise_firewall:*:*:*:*:*:*:*:*range: >=8.0.0,<=8.0.40
    • cpe:2.3:a:oracle:mysql_enterprise_firewall:9.1.0:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

1

News mentions

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