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CVE Record

CVE-2023-22046: 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-2023-22046 is a denial-of-service vulnerability in Oracle MySQL Server's Optimizer component. A highly privileged attacker with network access can make affected MySQL Server versions hang or crash repeatedly. It does not indicate data theft or tampering, but it can interrupt applications that depend on MySQL availability.

Executive priority

Treat this as a planned remediation item for business-critical databases, not an emergency internet-wide threat. Prioritize systems supporting revenue, customer-facing services, or operations where a database outage would create material business disruption.

Technical view

Oracle describes an easily exploitable MySQL Server Optimizer flaw affecting supported versions 8.0.33 and prior. The CVSS vector requires network access, low attack complexity, high privileges, and no user interaction. Impact is availability only, with complete denial of service possible through hangs or repeatable crashes.

Likely exposure

Exposure is most relevant where MySQL Server 8.0.33 or earlier is reachable by highly privileged database users over network-accessible protocols. Internet exposure matters less than who has privileged database access and whether production workloads depend on affected MySQL instances.

Exploitation context

The provided sources do not show CISA KEV listing or confirmed active exploitation. The vulnerability is rated medium because exploitation requires high privileges, but successful abuse can fully disrupt database availability.

Researcher notes

Public detail is limited to vendor-level impact and CVSS metadata. No CWE is listed in the bundle. Analysis should focus on version exposure, privilege boundaries, reachable protocols, and availability monitoring rather than confidentiality or integrity impact.

Mitigation direction

  • Apply Oracle's July 2023 Critical Patch Update guidance for MySQL Server.
  • Upgrade affected MySQL Server instances beyond versions 8.0.33 and prior.
  • Restrict privileged database access to trusted administrators and service accounts.
  • Limit MySQL network exposure to required application and administration paths.
  • Check downstream vendor advisories if MySQL is embedded in appliances or platforms.

Validation and detection

  • Inventory MySQL Server deployments and identify versions 8.0.33 and prior.
  • Confirm whether systems use Oracle, Fedora, NetApp, or other packaged MySQL distributions.
  • Review privileged MySQL accounts with network login capability.
  • Check monitoring history for unexplained MySQL hangs or repeatable crashes.
  • Verify patch status against Oracle and relevant distribution advisories.
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

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CVE-2023-22046 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-2023-22046Attack 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.