What is CVE-2023-22084?

CVE-2023-22084 is a medium-severity vulnerability in Mariadb. CVSS score: 4.9/10. Published 2023-10-17.

How severe is CVE-2023-22084?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Is CVE-2023-22084 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Mariadb

CVE-2023-22084

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.43 and prior, 8.0.34 and prior and 8.1.0. 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).

Published 2023-10-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Mariadb
NetApp Oncommand Insight
Oracle MySQL — versions 8.1.0
Oracle Corporation MySQL Server — versions 8.1.0
Fedoraproject Fedora — versions 37, 38, 39

Public proof-of-concept exploits

SourcePointSecurity/SwampScan

References

www.oracle.com/security-alerts/cpuoct2023.html (vendor-advisory, Patch, Vendor Advisory)
security.netapp.com/advisory/ntap-20231027-0009/ (Third Party Advisory)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
lists.debian.org/debian-lts-announce/2024/01/msg00017.html (Mailing List)

Frequently asked questions

What is CVE-2023-22084?: CVE-2023-22084 is a medium-severity vulnerability in Mariadb. CVSS score: 4.9/10. Published 2023-10-17.
How severe is CVE-2023-22084?: Medium severity. CVSS v3 base score is 4.9 out of 10.
Is CVE-2023-22084 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.