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CVE-2022-21605

15
FAUCET Score

CVE-2022-21605 is a medium-severity vulnerability affecting Oracle MySQL Server versions 8.0.28 and prior, specifically impacting the Data Dictionary component. This easily exploitable flaw allows a highly privileged attacker with network access to cause a complete denial of service (DoS) by repeatedly crashing the MySQL Server. While the CVSS score is 4.9, indicating availability impacts, there is currently no known public exploit code (Metasploit, Nuclei, ExploitDB), nor is it listed in the KEV catalog. Community discussion and media coverage for this CVE are also minimal, suggesting a low level of public awareness or active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.0, <= 8.0.28CPE 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
1.02%
Probability of exploitation in next 30 days
EPSS Percentile
60.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0102 is in the 66th percentile among its peer group of 3,566 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 (4)

oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mysql:8.0-8060020220830124159.ad008a3a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: mysql-0:8.0.30-3.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mysql80-mysql-0:8.0.30-1.el7
View patch

Vendor Advisories (1)

redhatCVE-2022-21605Moderate

mysql: Server: Data Dictionary unspecified vulnerability (CPU Oct 2022)

Oct 18, 2022

References

security.netapp.com / advisory/ntap-20221028-0013
Third Party Advisory
oracle.com / security-alerts/cpuoct2022.html
PatchVendor Advisory