Vulnerability · Published Jan 17, 2023 · Assigned by oracle

CVE-2023-21887

Medium 4.9

In plain English

A medium-severity security flaw in MySQL Server from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 43.4% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.9Medium
Exploit odds (30 days)43.4%top 1.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: GIS). Supported versions that are affected are 8.0.31 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).

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8mecab0.996-2.module_el8.6.0+3340+d764b636ALSA-2023:3087
AlmaLinux:8mecab-devel0.996-2.module_el8.6.0+3340+d764b636ALSA-2023:3087
AlmaLinux:8mecab-ipadic2.7.0.20070801-16.module_el8.6.0+3340+d764b636ALSA-2023:3087
AlmaLinux:8mecab-ipadic-EUCJP2.7.0.20070801-16.module_el8.6.0+3340+d764b636ALSA-2023:3087
AlmaLinux:8mysql8.0.32-1.module_el8.8.0+3567+56a616e4ALSA-2023:3087
AlmaLinux:9mysql8.0.32-1.el9_2ALSA-2023:2621
AlmaLinux:8mysql-common8.0.32-1.module_el8.8.0+3567+56a616e4ALSA-2023:3087
AlmaLinux:9mysql-common8.0.32-1.el9_2ALSA-2023:2621
AlmaLinux:8mysql-devel8.0.32-1.module_el8.8.0+3567+56a616e4ALSA-2023:3087
AlmaLinux:9mysql-devel8.0.32-1.el9_2ALSA-2023:2621
AlmaLinux:8mysql-errmsg8.0.32-1.module_el8.8.0+3567+56a616e4ALSA-2023:3087
AlmaLinux:9mysql-errmsg8.0.32-1.el9_2ALSA-2023:2621
AlmaLinux:8mysql-libs8.0.32-1.module_el8.8.0+3567+56a616e4ALSA-2023:3087
AlmaLinux:9mysql-libs8.0.32-1.el9_2ALSA-2023:2621
AlmaLinux:8mysql-server8.0.32-1.module_el8.8.0+3567+56a616e4ALSA-2023:3087
AlmaLinux:9mysql-server8.0.32-1.el9_2ALSA-2023:2621
AlmaLinux:8mysql-test8.0.32-1.module_el8.8.0+3567+56a616e4ALSA-2023:3087
AlmaLinux:9mysql-test8.0.32-1.el9_2ALSA-2023:2621
Rocky Linux:8mecab0:0.996-2.module+el8.10.0+1676+9b4b6e24RLSA-2023:3087
Rocky Linux:8mecab0:0.996-2.module+el8.10.0+2091+db4d14f6RLSA-2023:3087
Rocky Linux:8mecab0:0.996-2.module+el8.10.0+1937+28fbbc83RLSA-2023:3087
Rocky Linux:8mecab-ipadic0:2.7.0.20070801-16.module+el8.10.0+1676+9b4b6e24RLSA-2023:3087
Ubuntu:22.04:LTSmysql-8.08.0.32-0buntu0.22.04.1USN-5823-1
Ubuntu:22.04:LTSmysql-8.08.0.32-0buntu0.22.04.1UBUNTU-CVE-2023-21887

Affected products (as reported)

VendorProductVersions
Oracle Corporation MySQL Server 8.0.31 and prior

References