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CVE-2019-2503

Quick assessment

Affected

Oracle Corporation MySQL Server

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Oracle MySQL是美国甲骨文（Oracle）公司的一套开源的关系数据库管理系统。MySQL Server是其中的一个数据库服务器组件。 Oracle MySQL中的MySQL Server组件5.6.42及之前版本、5.7.24及之前版本和8.0.13及之前版本的Server: Connection Handling子组件存在安全漏洞。攻击者可利用该漏洞未授权访问数据，造成拒绝服务（挂起或频繁崩溃），影响数据的保密性和可用性。

AI Predicted 6.4 Difficulty: Hard EPSS 2.51% · P84 Updated Feb 23, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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I. Basic Information for CVE-2019-2503

Vulnerability Information

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Vulnerability Title

N/A

Source: CVE Program / CVE List V5

Vulnerability Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Connection Handling). Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 and prior. Difficult to exploit vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 6.4 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H).

Source: CVE Program / CVE List V5

CVSS Information

N/A

Source: CVE Program / CVE List V5

Vulnerability Type

N/A

Source: CVE Program / CVE List V5

Vulnerability Title

Oracle MySQL Server 访问控制错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Oracle Corporation	MySQL Server	5.6.42 and prior	-

II. Public POCs for CVE-2019-2503

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2019-2503

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Vendor Advisories for CVE-2019-2503 (8)

http://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-20190118-0002/ x_refsource_CONFIRM
http://www.securityfocus.com/bid/106626 vdb-entry x_refsource_BID
https://usn.ubuntu.com/3867-1/ vendor-advisory x_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:1258 vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2327 vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2511 vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2484 vendor-advisory x_refsource_REDHAT

https://www.cve.org/CVERecord?id=CVE-2019-2503

Same Patch Batch · Oracle Corporation · 2019-01-16 · 155 CVEs total

CVE-2019-2501		Oracle Virtualization VM VirtualBox 访问控制错误漏洞
CVE-2019-2492		Oracle E-Business Suite Email Center 访问控制错误漏洞
CVE-2019-2493		Oracle PeopleSoft Products PeopleSoft Enterprise CS Campus Community 访问控制错误漏洞
CVE-2019-2494		Oracle MySQL Server 访问控制错误漏洞
CVE-2019-2495		Oracle MySQL Server 访问控制错误漏洞
CVE-2019-2496		Oracle E-Business Suite CRM Technical Foundation 访问控制错误漏洞
CVE-2019-2497		Oracle E-Business Suite CRM Technical Foundation 访问控制错误漏洞
CVE-2019-2498		Oracle E-Business Suite Partner Management 访问控制错误漏洞
CVE-2019-2499		Oracle PeopleSoft Products PeopleSoft Enterprise PeopleTools 访问控制错误漏洞
CVE-2019-2500		Oracle Virtualization VM VirtualBox 访问控制错误漏洞
CVE-2019-2507		Oracle MySQL Server 访问控制错误漏洞
CVE-2019-2511		Oracle Virtualization VM VirtualBox 访问控制错误漏洞
CVE-2019-2510		Oracle MySQL Server 访问控制错误漏洞
CVE-2019-2509		Oracle Virtualization VM VirtualBox 访问控制错误漏洞
CVE-2019-2508		Oracle Virtualization VM VirtualBox 访问控制错误漏洞
CVE-2019-2505		Oracle Virtualization VM VirtualBox 访问控制错误漏洞
CVE-2019-2502		Oracle MySQL Server 访问控制错误漏洞
CVE-2019-2504		Oracle Virtualization VM VirtualBox 访问控制错误漏洞
CVE-2019-2491		Oracle E-Business Suite Email Center 访问控制错误漏洞
CVE-2019-2506		Oracle Virtualization VM VirtualBox 访问控制错误漏洞

Showing top 20 of 155 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: MySQL Server

Same vendor: Oracle Corporation

V. Comments for CVE-2019-2503

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2019-2503

Quick assessment

Possible ATT&CK Techniques 1 AI

I. Basic Information for CVE-2019-2503

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2019-2503

III. Intelligence Information for CVE-2019-2503

Vendor Advisories for CVE-2019-2503 (8)

Same Patch Batch · Oracle Corporation · 2019-01-16 · 155 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2019-2503

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