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CVE Record

CVE-2023-22054: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.33 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).

MediumCVSS 4.9Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-22054 can let a highly privileged remote user crash or hang Oracle MySQL Server, causing a complete denial of service. It does not indicate data theft or data modification. Business urgency depends on whether unpatched MySQL 8.0.33 or earlier is reachable by administrators, service accounts, or compromised privileged credentials.

Executive priority

Treat as a reliability and availability risk, not a data breach indicator. Prioritize patching for production databases, externally reachable systems, and environments where privileged credentials may be widely shared or embedded in applications.

Technical view

Oracle lists this as a MySQL Server Optimizer vulnerability affecting supported versions 8.0.33 and prior. The CVSS vector is AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H, meaning network reachable, low complexity, high privileges required, and high availability impact only.

Likely exposure

Exposure is most relevant for organizations running Oracle MySQL Server 8.0.33 or earlier where privileged database users can connect over network protocols. Internet exposure increases operational risk, but exploitation still requires high privileges according to the CVSS vector.

Exploitation context

The bundle does not show CISA KEV listing or cited evidence of active exploitation. Oracle characterizes the issue as easily exploitable by a high-privileged attacker with network access, with successful attacks causing hangs or repeatable crashes.

Researcher notes

The public bundle identifies the affected component as Server: Optimizer but does not provide root-cause details, CWE mapping, proof-of-concept, or exploit telemetry. Avoid inferring additional affected products beyond Oracle MySQL Server and downstream vendor advisories cited.

Mitigation direction

  • Apply Oracle's July 2023 Critical Patch Update guidance for MySQL Server.
  • Upgrade affected MySQL Server 8.0.33 or earlier instances to a vendor-fixed supported release.
  • Restrict privileged MySQL access to trusted networks and required administrators only.
  • Review service accounts with high database privileges and reduce unnecessary privileges.
  • Monitor database crash, restart, and hang events until remediation is complete.

Validation and detection

  • Inventory MySQL Server versions and flag 8.0.33 or earlier supported releases.
  • Confirm Oracle or downstream vendor packages include the CVE-2023-22054 fix.
  • Verify privileged database access is limited and logged.
  • Check monitoring for repeated MySQL crashes, hangs, or unexplained restarts.
  • Review vendor advisories from Oracle, NetApp, and Fedora where those distributions apply.
Prepared
Confidence
high
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2023-22054 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.9 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
4.9CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H1.23.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4.9Medium
CVSS 3.1 vector shape for CVE-2023-22054Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Oracle CorporationMySQL Server*Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.