What is the CVSS score of CVE-2025-21520?

CVE-2025-21520 has a CVSS 3.1 base score of 1.8 (Low). CVSS vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Mysql Cluster are affected by CVE-2025-21520?

CVE-2025-21520 is a low-severity vulnerability involving incorrect permissions (CVSS 1.8).

How to fix or mitigate CVE-2025-21520?

During next maintenance window: Apply vendor patches when convenient. Verify incorrect permissions controls are in place.

Mysql Cluster CVE-2025-21520

LOW

Incorrect Permission Assignment for Critical Resource (CWE-732)

2025-01-21 secalert_us@oracle.com

Authentication Bypass Oracle Mysql Cluster Mysql Server MySQL

1.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

1.8 LOW

AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

High

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:04 vuln.today

CVE Published

Jan 21, 2025 - 21:15 nvd

LOW 1.8

DescriptionCVE.org

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).

AnalysisAI

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Options). Rated low severity (CVSS 1.8). No vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Permission Assignment (CWE-732), which allows attackers to access resources due to misconfigured permissions. 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). Affected products include: Oracle Mysql Cluster, Oracle Mysql Server.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and restrict file/resource permissions, apply principle of least privilege.