Oracle MySQL Server up to 8.0.42/8.4.5/9.3.0 Optimizer improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Oracle MySQL Server up to 8.0.42/8.4.5/9.3.0. This issue affects some unknown processing of the component Optimizer. Performing a manipulation results in improper authorization. This vulnerability is known as CVE-2025-50082. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Oracle MySQL Server up to 8.0.42/8.4.5/9.3.0. This affects 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. The summary by CVE is:

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.42, 8.4.0-8.4.5 and 9.0.0-9.3.0. 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 shared at oracle.com. This vulnerability is uniquely identified as CVE-2025-50082 since 06/12/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/02/2025). MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 253482 (TencentOS Server 4: mysql (TSSA-2025:0613)), 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 (253482), EUVD (EUVD-2025-21498) and CERT Bund (WID-SEC-2025-1567). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Red Hat Enterprise Linux
  • Oracle MySQL
  • Ubuntu Linux
  • Oracle Linux
  • RESF Rocky Linux
  • Xerox FreeFlow Print Server

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: 253482
Nessus Name: TencentOS Server 4: mysql (TSSA-2025:0613)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/12/2025 CVE reserved
07/15/2025 +33 days Advisory disclosed
07/15/2025 +0 days VulDB entry created
12/02/2025 +140 days VulDB entry last update

Sourcesinfo

Vendor: oracle.com

Advisory: oracle.com
Status: Confirmed

CVE: CVE-2025-50082 (🔒)
GCVE (CVE): GCVE-0-2025-50082
GCVE (VulDB): GCVE-100-316485
EUVD: 🔒
CERT Bund: WID-SEC-2025-1567 - Oracle MySQL: Mehrere Schwachstellen

Entryinfo

Created: 07/15/2025 22:30
Updated: 12/02/2025 19:59
Changes: 07/15/2025 22:30 (64), 07/16/2025 19:12 (1), 07/17/2025 14:45 (1), 08/21/2025 21:18 (2), 09/15/2025 06:53 (7), 09/17/2025 23:56 (1), 12/02/2025 19:59 (1)
Complete: 🔍
Cache ID: 216::103

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