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CVE Record

CVE-2021-2208: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Partition).

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Partition). Supported versions that are affected are 8.0.23 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-2021-2208 is a MySQL Server availability issue. An attacker who already has high privileges and network access to MySQL can cause the server to hang or crash repeatedly. The business risk is service disruption, not data theft or data modification based on the provided sources.

Executive priority

Treat this as a moderate operational resilience issue. It is unlikely to be an initial compromise path based on provided evidence, but affected database services could be disrupted by an already privileged attacker. Prioritize patching where MySQL supports critical services.

Technical view

The vulnerability affects Oracle MySQL Server 8.0.23 and prior, in the Server: Partition component. CVSS 3.1 is 4.9 with network attack vector, low complexity, high privileges required, no user interaction, unchanged scope, and high availability impact only.

Likely exposure

Exposure is most relevant where MySQL Server 8.0.23 or earlier is reachable by users or services holding high database privileges over network-accessible protocols. Public internet exposure increases operational risk, but the sources require high privileges for exploitation.

Exploitation context

The source bundle does not show active exploitation, and the CVE is not listed as KEV. Exploitation requires a high-privileged attacker with network access. Successful exploitation can produce a complete denial of service through hangs or repeated crashes.

Researcher notes

No CWE is listed in the source bundle, and no root-cause detail is provided beyond the Server: Partition component. The impact is availability only. Do not assume confidentiality or integrity compromise without additional vendor evidence.

Mitigation direction

  • Identify MySQL Server instances running 8.0.23 or earlier.
  • Review Oracle April 2021 CPU guidance and apply vendor-supported security updates.
  • Restrict network access to MySQL from untrusted systems.
  • Review high-privilege MySQL accounts and remove unnecessary access.
  • Check NetApp guidance if MySQL is embedded in affected NetApp products.

Validation and detection

  • Confirm MySQL Server version across production and backup environments.
  • Verify patched systems are no longer on 8.0.23 or earlier.
  • Review privileged database accounts with network access.
  • Check monitoring for unexplained MySQL hangs or repeated crashes.
  • Document whether NetApp advisory exposure applies to your environment.
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-2021-2208 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-2021-2208Attack 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 Server8.0.23 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.