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CVE Record

CVE-2022-21547: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Federated).

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Federated). Supported versions that are affected are 8.0.29 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

This vulnerability can let a highly privileged network user crash or hang affected MySQL Server instances. The main business risk is database downtime, not data theft or tampering. It affects Oracle MySQL Server 8.0.29 and prior, specifically the Server: Federated component.

Executive priority

Treat as a moderate availability risk. Prioritize critical production databases and any instance with broad privileged network access, but this is not evidenced as actively exploited in the provided sources.

Technical view

CVE-2022-21547 is a MySQL Server Federated component availability flaw. Oracle rates it CVSS 4.9 with network attack vector, low complexity, high privileges required, no user interaction, unchanged scope, and high availability impact only. Successful attack may cause a hang or frequently repeatable complete denial of service.

Likely exposure

Exposure is limited to Oracle MySQL Server 8.0.29 and prior. Highest concern is systems where high-privileged MySQL access is available over reachable network paths or where database availability is business-critical.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Oracle describes the flaw as easily exploitable, but only by a high-privileged attacker with network access via multiple protocols.

Researcher notes

The available evidence is concise and vendor-centered. No CWE, exploit details, or product-specific NetApp impact list is included in the bundle. Analysis should stay bounded to Oracle MySQL Server 8.0.29 and prior unless advisory details confirm more.

Mitigation direction

  • Review Oracle July 2022 CPU guidance for the supported fixed MySQL version.
  • Upgrade affected MySQL Server 8.0.29 and prior deployments per vendor guidance.
  • Limit high-privileged MySQL accounts to trusted administrators and service paths.
  • Restrict network access to MySQL from untrusted or unnecessary sources.
  • Check NetApp advisory if MySQL is part of NetApp-managed environments.

Validation and detection

  • Inventory MySQL Server versions and identify instances at 8.0.29 or prior.
  • Confirm whether the Server: Federated component is present or relevant.
  • Review privileged MySQL accounts with network access to affected instances.
  • Check monitoring for unexplained MySQL hangs, crashes, or repeated restarts.
  • Document remediation status against Oracle and NetApp advisory guidance.
Prepared
Confidence
high
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-2022-21547 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
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
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-2022-21547Attack 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 Server8.0.29 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.