CVE-2025-21546

LOW
2025-01-21 [email protected]
3.8
CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:04 vuln.today
CVE Published
Jan 21, 2025 - 21:15 nvd
LOW 3.8

Tags

Authentication Bypass Oracle Mysql Server MySQL

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Privileges). 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 update, insert or delete access to some of MySQL Server accessible data as well as unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.1 Base Score 3.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N).

Analysis

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Privileges). Rated low severity (CVSS 3.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Privileges). 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 update, insert or delete access to some of MySQL Server accessible data as well as unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.1 Base Score 3.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N). Affected products include: Oracle Mysql Server.

Affected Products

Oracle Mysql Server.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.

Priority Score

19
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +19
POC: 0

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CVE-2025-21546 vulnerability details – vuln.today
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