CVE-2021-35618

Partial service interruption

Published Oct 20, 2021 · Updated Sep 25, 2024

Denial of service in Oracle MySQL Cluster 8.0.26 and earlier allows attackers to cause a partial service interruption. Oracle identifies only Cluster: General and has not published the vulnerable code path or the operation performed on attacker-controlled input. Exploitation requires high privileges, access to the attached physical communication segment, high complexity, and interaction by another person; no confidentiality or integrity impact is reported.

CVSS severity1.8
Low
EPSS probability0.68%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Oracle MySQL Cluster 8.0.26 and earlier allows attackers to cause a partial service interruption. Oracle identifies only Cluster: General and has not published the vulnerable code path or the operation performed on attacker-controlled input. Exploitation requires high privileges, access to the attached physical communication segment, high complexity, and interaction by another person; no confidentiality or integrity impact is reported.

The record

CVE
CVE-2021-35618
Published
Oct 20, 2021
Updated
Sep 25, 2024
Vendor
Oracle Corporation
Product
MySQL Cluster
Classifications
T1499
Attack vector
adjacent
Privileges
admin

Timeline

How it unfolded

  1. Oct 20, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 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=8.0.26 and prior

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesadmin

What is affected?

Oracle Corporation · MySQL Clusterversion=8.0.26 and prior

Published CVSS scores

1.5NISTAV:A/AC:H/Au:S/C:N/I:N/A:P
1.8Oracle CorporationCVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:N/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.

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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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