CVE-2023-21873: oracle corporation mysql server
Vulnerability summary
CVE-2023-21873 is a medium (CVSS 4.9) vulnerability in oracle corporation mysql server. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 57.8% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 4 · Related 1Timeline
- 17-01-2023PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). 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).
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- NVDNIST4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.86%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
0.00 pp
From 0.86% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu4 products
- mysql-5.5All versions (No fix recorded)
- mysql-8.0< 8.0.32-0buntu0.20.04.1 | < 8.0.32-0buntu0.22.04.1
- percona-server-5.6All versions (No fix recorded)
- percona-xtradb-cluster-5.6All versions (No fix recorded)
Oracle1 product
- mysql_server≥ 8.0.0, ≤ 8.0.31
Oracle corporation1 product
- mysql server8.0.31 and prior
3 vendors · 6 products
References
5 links- www.oracle.com/security-alerts/cpujan2023.htmlVendor Advisory