CVE-2023-22015 — mysql: Server: Optimizer unspecified vulnerability (CPU Oct 2023)

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MEDIUM

mysql: Server: Optimizer unspecified vulnerability (CPU Oct 2023)

Published Oct 17, 2023

4.9

MEDIUM

CVSS 3.1

EPSS 0.89%

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.7.42 and prior and 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 products

Vendor Oracle Corporation Product MySQL Server Default
n/a
- Version
  -
  Status
  affected
  Constraints
  <=5.7.42
- Version
  -
  Status
  affected
  Constraints
  <=8.0.31

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Oracle Corporation

MySQL Server

n/a

Version	Status	Constraints
-	affected	<=5.7.42
-	affected	<=8.0.31

Red Hat Enterprise Linux 8

mysql:8.0-8080020230322094358.63b34585

Fixed · RHSA-2023:3087
Red Hat Enterprise Linux 9

mysql-0:8.0.32-1.el9_2

Fixed · RHSA-2023:2621
Red Hat Software Collections for Red Hat Enterprise Linux 7

rh-mysql80-mysql-0:8.0.32-1.el7

Fixed · RHSA-2023:1102
Red Hat Enterprise Linux 6

mysql

Not affected
Red Hat Enterprise Linux 7

mariadb

Not affected
Red Hat Enterprise Linux 8

mariadb:10.3/mariadb

Not affected
Red Hat Enterprise Linux 8

mariadb:10.5/mariadb

Not affected
Red Hat Enterprise Linux 9

mariadb

Not affected
Red Hat Software Collections

rh-mariadb105-mariadb

Not affected

Product	Package	State	Advisory
Red Hat Enterprise Linux 8	mysql:8.0-8080020230322094358.63b34585	Fixed	RHSA-2023:3087
Red Hat Enterprise Linux 9	mysql-0:8.0.32-1.el9_2	Fixed	RHSA-2023:2621
Red Hat Software Collections for Red Hat Enterprise Linux 7	rh-mysql80-mysql-0:8.0.32-1.el7	Fixed	RHSA-2023:1102
Red Hat Enterprise Linux 6	mysql	Not affected	n/a
Red Hat Enterprise Linux 7	mariadb	Not affected	n/a
Red Hat Enterprise Linux 8	mariadb:10.3/mariadb	Not affected	n/a
Red Hat Enterprise Linux 8	mariadb:10.5/mariadb	Not affected	n/a
Red Hat Enterprise Linux 9	mariadb	Not affected	n/a
Red Hat Software Collections	rh-mariadb105-mariadb	Not affected	n/a

Remediation

No remediation recorded yet.

Metrics

0.89% 0.00891

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00891

Score over time

2023–2026

EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v3
EPSS v4
EPSS v5

Table of values (6 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.89% (0.00891)	57.94th	v5 (v2026.06.15)
Jun 15, 2026	0.88% (0.00884)	54.33th	v5 (v2026.06.15)
Mar 17, 2025	0.13% (0.00133)	30.46th	v4 (v2025.03.14)
Dec 12, 2024	0.05% (0.00053)	23.34th	v3 (v2023.03.01)
Jun 17, 2024	0.04% (0.00044)	13.35th	v3 (v2023.03.01)
Oct 18, 2023	0.04% (0.00044)	11.35th	v3 (v2023.03.01)

Weaknesses (0)

No CWE recorded.

References (6)

https://access.redhat.com/security/cve/CVE-2023-22015
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2245011
Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2023-22015
https://security.netapp.com/advisory/ntap-20231027-0009/
Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2023-22015
https://www.oracle.com/security-alerts/cpuoct2023.html
vendor-advisoryVendor Advisory

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2023-22015		Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2245011		Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2023-22015
https://security.netapp.com/advisory/ntap-20231027-0009/		Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2023-22015
https://www.oracle.com/security-alerts/cpuoct2023.html		vendor-advisoryVendor Advisory