Oracle MySQL Server up to 7.6.32/8.0.40/8.4.3/9.1.0 Options improper authorization

Summaryinfo

A vulnerability categorized as critical has been discovered in Oracle MySQL Server up to 7.6.32/8.0.40/8.4.3/9.1.0. The impacted element is an unknown function of the component Options. The manipulation results in improper authorization. This vulnerability is known as CVE-2025-21520. Attacking locally is a requirement. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Oracle MySQL Server up to 7.6.32/8.0.40/8.4.3/9.1.0. Affected is an unknown functionality of the component Options. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality. CVE summarizes:

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Options). 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 logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.1 Base Score 1.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N).

The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2025-21520 since 12/25/2024. The exploitability is told to be difficult. The attack needs to be approached locally. The exploitation requires an enhanced level of successful authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1548.002.

The vulnerability scanner Nessus provides a plugin with the ID 214536 (Oracle MySQL Cluster 7.6.x < 7.6.33 (January 2025 CPU)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (214536) and CERT Bund (WID-SEC-2025-0167). Once again VulDB remains the best source for vulnerability data.

Affected

• Oracle MySQL
• Debian Linux
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• NetApp ActiveIQ Unified Manager
• RESF Rocky Linux
• MariaDB MariaDB

Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• MySQL Server

Version

• 7.6.0
• 7.6.1
• 7.6.2
• 7.6.3
• 7.6.4
• 7.6.5
• 7.6.6
• 7.6.7
• 7.6.8
• 7.6.9
• 7.6.10
• 7.6.11
• 7.6.12
• 7.6.13
• 7.6.14
• 7.6.15
• 7.6.16
• 7.6.17
• 7.6.18
• 7.6.19
• 7.6.20
• 7.6.21
• 7.6.22
• 7.6.23
• 7.6.24
• 7.6.25
• 7.6.26
• 7.6.27
• 7.6.28
• 7.6.29
• 7.6.30
• 7.6.31
• 7.6.32
• 8.0.0
• 8.0.1
• 8.0.2
• 8.0.3
• 8.0.4
• 8.0.5
• 8.0.6
• 8.0.7
• 8.0.8
• 8.0.9
• 8.0.10
• 8.0.11
• 8.0.12
• 8.0.13
• 8.0.14
• 8.0.15
• 8.0.16
• 8.0.17
• 8.0.18
• 8.0.19
• 8.0.20
• 8.0.21
• 8.0.22
• 8.0.23
• 8.0.24
• 8.0.25
• 8.0.26
• 8.0.27
• 8.0.28
• 8.0.29
• 8.0.30
• 8.0.31
• 8.0.32
• 8.0.33
• 8.0.34
• 8.0.35
• 8.0.36
• 8.0.37
• 8.0.38
• 8.0.39
• 8.0.40
• 8.4.0
• 8.4.1
• 8.4.2
• 8.4.3
• 9.0
• 9.1.0

License

• open-source

Website

• Vendor: https://www.oracle.com

CPE 2.3info

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CPE 2.2info

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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