Oracle MySQL Server up to 8.0.40/8.4.3/9.1.0 Optimizer improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Oracle MySQL Server up to 8.0.40/8.4.3/9.1.0. This impacts an unknown function of the component Optimizer. The manipulation results in improper authorization. This vulnerability was named CVE-2025-21501. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Oracle MySQL Server up to 8.0.40/8.4.3/9.1.0. Affected is an unknown functionality of the component Optimizer. 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 availability. CVE summarizes:

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). 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 low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

The advisory is available at oracle.com. This vulnerability is traded as CVE-2025-21501 since 12/25/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/02/2025). This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 214535 (Oracle MySQL Server 9.x < 9.2.0 (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 (214535) and CERT Bund (WID-SEC-2025-0167). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (oracle): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 214535
Nessus Name: Oracle MySQL Server 9.x < 9.2.0 (January 2025 CPU)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/25/2024 🔍
01/21/2025 +27 days 🔍
01/21/2025 +0 days 🔍
12/02/2025 +315 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: oracle.com
Status: Confirmed

CVE: CVE-2025-21501 (🔍)
GCVE (CVE): GCVE-0-2025-21501
GCVE (VulDB): GCVE-100-292818
CERT Bund: WID-SEC-2025-0167 - Oracle MySQL: Mehrere Schwachstellen

Entryinfo

Created: 01/21/2025 22:41
Updated: 12/02/2025 23:56
Changes: 01/21/2025 22:41 (64), 01/23/2025 20:42 (2), 12/02/2025 23:56 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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