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CVE Record

CVE-2023-22033: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB).

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.33 and prior. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

MediumCVSS 4.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-22033 is an Oracle MySQL Server InnoDB availability flaw. An attacker already holding high MySQL privileges and network access could cause the server to hang or crash repeatedly. The business impact is service disruption, not data theft or tampering, based on the provided CVSS vector.

Executive priority

Treat as a planned remediation item unless MySQL availability is business-critical or privileged access is weakly controlled. The flaw can cause complete service outage, but available evidence indicates high attacker privilege, high exploit complexity, and no confirmed active exploitation in the supplied sources.

Technical view

Oracle lists MySQL Server 8.0.33 and prior as affected. The CVSS 3.1 vector is AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H, meaning network-reachable but high-complexity exploitation requiring high privileges, with availability-only impact through complete denial of service.

Likely exposure

Exposure is most relevant for organizations running Oracle MySQL Server 8.0.33 or earlier, especially instances reachable over database protocols by privileged users. Downstream Fedora and NetApp advisories indicate ecosystem awareness, but the supplied bundle does not identify specific affected NetApp products or fixed package versions.

Exploitation context

The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. The described attack requires a high-privileged attacker with network access and is difficult to exploit, but success can cause a hang or frequently repeatable complete MySQL Server crash.

Researcher notes

Key constraints are privilege and availability impact. Avoid assuming confidentiality or integrity exposure; the CVSS vector reports none. The bundle lacks root-cause detail, proof-of-concept status, and explicit fixed version mapping, so validation should anchor on Oracle and downstream vendor advisories.

Mitigation direction

  • Review Oracle's July 2023 CPU guidance for CVE-2023-22033.
  • Update affected MySQL Server deployments according to Oracle or distribution vendor instructions.
  • Limit MySQL network exposure to trusted application and administration paths.
  • Review high-privilege MySQL accounts and remove unnecessary access.
  • Monitor MySQL availability logs for unexplained hangs or repeated crashes.

Validation and detection

  • Inventory MySQL Server instances and record exact versions.
  • Flag Oracle MySQL Server 8.0.33 and prior for remediation review.
  • Confirm whether Fedora, NetApp, or other vendor packages have applicable advisories.
  • Verify privileged database accounts cannot connect from unnecessary networks.
  • After remediation, confirm the installed build matches vendor guidance.
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-2023-22033 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
4.4 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:H/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
4.4CVSS 3.1MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H0.73.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4.4Medium
CVSS 3.1 vector shape for CVE-2023-22033Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:H/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.