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CVE Record

CVE-2022-21519: Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General).

Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General). Supported versions that are affected are 8.0.29 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Cluster. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

MediumCVSS 5.9Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2022-21519 is a denial-of-service vulnerability in Oracle MySQL Cluster. An unauthenticated network attacker could cause affected clusters to hang or crash repeatedly, disrupting database availability. The source bundle identifies affected versions as MySQL Cluster 8.0.29 and prior.

Executive priority

Treat this as a moderate availability risk. Prioritize remediation for business-critical clusters, externally reachable environments, or systems where database outage would disrupt customer-facing or revenue-impacting services.

Technical view

Oracle describes a difficult-to-exploit network vulnerability in MySQL Cluster, component Cluster: General. CVSS 3.1 is 5.9: AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H. The documented impact is complete denial of service, not data theft or integrity compromise.

Likely exposure

Exposure is most relevant where MySQL Cluster 8.0.29 or earlier is deployed and reachable over network paths available to untrusted or semi-trusted users. Internet exposure, partner connectivity, or broad internal access would increase business risk.

Exploitation context

The bundle does not show CISA KEV listing or cited evidence of active exploitation. Oracle rates exploitation as difficult, but authentication is not required and network access is enough if the affected service is reachable.

Researcher notes

Public detail is limited. The bundle gives product, version range, CVSS vector, and availability impact, but no CWE, root cause, protocol-specific trigger, exploit details, or standalone workaround. Avoid assuming impact beyond denial of service.

Mitigation direction

  • Review Oracle July 2022 CPU guidance for the applicable MySQL Cluster update.
  • Upgrade affected MySQL Cluster deployments according to Oracle vendor guidance.
  • Check NetApp advisory applicability where NetApp products bundle or depend on affected components.
  • Restrict network access to MySQL Cluster services to trusted hosts only.
  • Monitor clusters for abnormal hangs, repeat crashes, and availability events.

Validation and detection

  • Inventory all MySQL Cluster deployments and record exact versions.
  • Flag any MySQL Cluster version 8.0.29 or prior for remediation review.
  • Confirm whether cluster services are reachable from untrusted networks.
  • Verify applied Oracle CPU updates after maintenance.
  • Review operational logs for repeated crash or hang patterns.
Prepared
Confidence
medium
Sources
4

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-2022-21519 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
5.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:H/PR:N/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
3Source 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
5.9CVSS 3.1MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H2.23.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.9Medium
CVSS 3.1 vector shape for CVE-2022-21519Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:H/PR:N/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 Cluster8.0.29 and priorListed
Weakness

CWE details

No CWE listed

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