CVE-2022-21355

Partial data disclosure and service interruption

Published Jan 19, 2022 · Updated Sep 24, 2024

An unspecified flaw in Oracle MySQL Cluster 8.0.27 and earlier allows attackers to read some data and partially interrupt service. Oracle identifies the affected component only as Cluster: General and has not disclosed the faulty operation or the input that reaches it. Exploitation requires high privileges on the adjacent physical communication segment and interaction by another person; consequences are limited to partial data disclosure and partial service interruption.

CVSS severity2.9
Low
EPSS probability1.42%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An unspecified flaw in Oracle MySQL Cluster 8.0.27 and earlier allows attackers to read some data and partially interrupt service. Oracle identifies the affected component only as Cluster: General and has not disclosed the faulty operation or the input that reaches it. Exploitation requires high privileges on the adjacent physical communication segment and interaction by another person; consequences are limited to partial data disclosure and partial service interruption.

The record

CVE
CVE-2022-21355
Published
Jan 19, 2022
Updated
Sep 24, 2024
Vendor
Oracle Corporation
Product
MySQL Cluster
Classifications
T1499
Attack vector
adjacent
Privileges
admin

Timeline

How it unfolded

  1. Jan 19, 2022CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.4.34 and prior
  2. Affected versionversion=7.5.24 and prior
  3. Affected versionversion=7.6.20 and prior
  4. Affected versionversion=8.0.27 and prior

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesadmin

What is affected?

Oracle Corporation · MySQL Clusterversion=7.4.34 and prior; version=7.5.24 and prior; version=7.6.20 and prior; version=8.0.27 and prior

Published CVSS scores

2.9Oracle CorporationCVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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