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CVE-2022-21640

15
FAUCET Score

CVE-2022-21640 is a vulnerability in the MySQL Server Optimizer component, affecting versions 8.0.30 and prior, as well as various NetApp and Oracle products utilizing MySQL. This vulnerability, with a CVSS 3.1 Base Score of 4.9 (Medium), allows a highly privileged attacker with network access to cause a complete denial of service (frequent crashes or hangs) of the MySQL Server. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.0, <= 8.0.30CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.9MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.14%
Probability of exploitation in next 30 days
EPSS Percentile
63.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0114 is in the 70th percentile among its peer group of 3,565 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

microsoftpatch availablevia msrc
Product: cm1 mysql 8.0.31-1 on CBL Mariner 1.0Fixed in: 8.0.31-1
microsoftpatch availablevia msrc
Product: 18584-16820Fixed in: 8.0.31-1
microsoftpatch availablevia msrc
Product: 18585-16823Fixed in: 8.0.31-1
microsoftpatch availablevia msrc
Product: cbl2 mysql 8.0.31-1 on CBL Mariner 2.0Fixed in: 8.0.31-1
oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mysql80-mysql-0:8.0.32-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: mysql-0:8.0.32-1.el9_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mysql:8.0-8080020230322094358.63b34585
View patch

Vendor Advisories (2)

redhatCVE-2022-21640Moderate

mysql: Server: Optimizer unspecified vulnerability (CPU Oct 2022)

Oct 18, 2022
microsoft2022-Oct/CVE-2022-21640Moderate

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.30 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).

Oct 11, 2022

References

lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/EG3VBUHKCUXVWBSCD2FHCWIAMZO4X3PR
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/NGZ4B5IQJEZQFSXGCZKSJ6GO3HLQ6URQ
security.netapp.com / advisory/ntap-20221028-0013
Third Party Advisory
oracle.com / security-alerts/cpuoct2022.html
PatchVendor Advisory