CVE-2024-21243
Low · 2.2CVSS
2.2
EPSS
0.7%
Published
Oct 15, 2024
CISA due date
—
Cloudanix analysis
A database server flaw could let someone with special high-level access see a small amount of its internal information, but the issue is difficult to reach.
- Exploitation
- Remote Authenticated
- Attacker needs
- High Privilege
- Complexity
- High
- Impact
- Data Exposure
- Component
- Network Service
- Class
- Information Disclosure
- Remediation
- Upgrade
- Effort
- Medium
- Patch risk
- Low
What it actually does
The flaw in the Telemetry component permits a high-privileged network attacker to bypass access controls and read a limited subset of server-accessible data.
Why it matters to the business
Limited risk of internal data exposure that could support reconnaissance; high privileges and difficult exploitation reduce immediate operational disruption.
How an attack unfolds
An attacker who already possesses high database privileges connects over supported network protocols to the Telemetry component and triggers the access-control weakness to retrieve otherwise restricted data.
How to fix it
Upgrade affected MySQL Server installations (8.4.2 and earlier, 9.0.1 and earlier) to the latest vendor-supplied versions that contain the fix for the Telemetry component.
How to confirm the fix worked
Confirm the running MySQL version exceeds the affected releases, review Telemetry component access controls, and perform authenticated network scans to verify the flaw is no longer present.
Typical attack path
- Obtain high-privileged network credentials for the MySQL Server
- Establish a connection via one of the supported protocols to the Telemetry component
- Trigger the vulnerability to read a subset of server data
How to detect it
Inspect database audit and connection logs for high-privileged sessions interacting with the Telemetry component; correlate with unusual data-read patterns.
What your security team should do
- Apply the latest MySQL patches as soon as they are available
- Enforce least-privilege access for all database administrators
- Monitor privileged connections to the Telemetry component for anomalies
The record
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Telemetry). Supported versions that are affected are 8.4.2 and prior and 9.0.1 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.1 Base Score 2.2 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N).
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Ubuntu:14.04:LTS | mysql-5.5 | 0 | No fix |
| Ubuntu:20.04:LTS | mariadb-10.3 | 0 | No fix |
| Ubuntu:Pro:14.04:LTS | mysql-5.5 | 0 | No fix |
| Ubuntu:Pro:16.04:LTS | mysql-5.7 | 0 | No fix |
Related vulnerabilities
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- CVE-2025-21559 Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Also affects mysql-5.5
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- CVE-2025-21534 Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Performance… Also affects mysql-5.5
- CVE-2025-21536 Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Also affects mysql-5.5
- CVE-2025-21525 Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Also affects mysql-5.5
- CVE-2025-21529 Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information… Also affects mysql-5.5