CVE-2023-21920
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。 Oracle MySQL 8.0.32 版本及之前版本的 Server: Optimizer 组件存在安全漏洞。高权限攻击者利用该漏洞可以通过多种协议访问网络来破坏 MySQL 服务器。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-21920
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.32 and prior. Easily exploitable vulnerability allows high 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 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Oracle MySQL 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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。 Oracle MySQL 8.0.32 版本及之前版本的 Server: Optimizer 组件存在安全漏洞。高权限攻击者利用该漏洞可以通过多种协议访问网络来破坏 MySQL 服务器。
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 | 8.0.32 and prior | - |
|
II. Public POCs for CVE-2023-21920
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2023-21920 (2)
-
https://www.oracle.com/security-alerts/cpuapr2023.html vendor-advisory
Mailing List Discussions for CVE-2023-21920 (2)
Same Patch Batch · Oracle Corporation · 2023-04-18 · 91 CVEs total
| CVE-2023-21923 | 8.3 HIGH | Oracle Health Sciences Applications 安全漏洞 |
| CVE-2023-21990 | 8.2 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2023-21948 | 7.8 HIGH | Oracle Solaris 安全漏洞 |
| CVE-2023-21987 | 7.8 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2023-21985 | 7.7 HIGH | Oracle Solaris 安全漏洞 |
| CVE-2023-21979 | 7.5 HIGH | Oracle WebLogic Server 安全漏洞 |
| CVE-2023-21912 | 7.5 HIGH | Oracle MySQL 安全漏洞 |
| CVE-2023-21931 | 7.5 HIGH | Oracle WebLogic Server 安全漏洞 |
| CVE-2023-21996 | 7.5 HIGH | Oracle WebLogic Server 安全漏洞 |
| CVE-2023-21964 | 7.5 HIGH | Oracle WebLogic Server 安全漏洞 |
| CVE-2023-21930 | 7.4 HIGH | Oracle Java SE和Oracle GraalVM 安全漏洞 |
| CVE-2023-21932 | 7.2 HIGH | Oracle Hospitality Applications 安全漏洞 |
| CVE-2023-21980 | 7.1 HIGH | Oracle MySQL 安全漏洞 |
| CVE-2023-21896 | 7.0 HIGH | Oracle Solaris 安全漏洞 |
| CVE-2023-21918 | 6.8 MEDIUM | Oracle Database Server 安全漏洞 |
| CVE-2023-21922 | 6.8 MEDIUM | Oracle Health Sciences Applications 安全漏洞 |
| CVE-2023-21934 | 6.8 MEDIUM | Oracle Database Server 安全漏洞 |
| CVE-2023-21969 | 6.7 MEDIUM | Oracle SQL Developer 安全漏洞 |
| CVE-2023-21946 | 6.5 MEDIUM | Oracle MySQL 安全漏洞 |
| CVE-2023-21910 | 6.5 MEDIUM | Oracle Business Intelligence Enterprise Edition 安全漏洞 |
Showing top 20 of 91 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2023-21920
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