CVE-2021-35594

CVSS 3.1 Medium 6.3

CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

Description

Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General). Supported versions that are affected are 7.4.33 and prior, 7.5.23 and prior, 7.6.19 and prior and 8.0.26 and prior. Difficult to exploit vulnerability allows high privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Cluster executes to compromise MySQL Cluster. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of MySQL Cluster. CVSS 3.1 Base Score 6.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H).

Key data

CVSS 3.1 Medium 6.3

Score published by oracle in the CVE record.

CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

Attack vector: Adjacent
The attacker needs to be on the same shared network segment or a closely related one.
Attack complexity: High
The attack depends on conditions outside the attacker's control, so it takes preparation.
Privileges required: High
An account with significant privileges, such as an administrator, is needed.
User interaction: Required
A user has to do something first, such as opening a file or following a link.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.

Metric	Value	What it means
Attack vector	Adjacent	The attacker needs to be on the same shared network segment or a closely related one.
Attack complexity	High	The attack depends on conditions outside the attacker's control, so it takes preparation.
Privileges required	High	An account with significant privileges, such as an administrator, is needed.
User interaction	Required	A user has to do something first, such as opening a file or following a link.
Scope	Unchanged	The impact stays within the vulnerable component.
Confidentiality impact	High	Serious or total effect on the secrecy of data.
Integrity impact	High	Serious or total effect on the trustworthiness of data.
Availability impact	High	Serious or total effect on availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score: 0.51136 (51.1% probability)
Percentile: 98.9%
Scores of: Nov 10, 2026
Model: v2026.06.15

CISA assessment as of Sep 25, 2024

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.

Automatable: no
Technical impact: total

Affected products

Products listed in the CVE record, as the CNA published them.

Oracle Corporation MySQL Cluster
- affected: 7.4.33 and prior
- affected: 7.5.23 and prior
- affected: 7.6.19 and prior
- affected: 8.0.26 and prior

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

Timeline

ID reservedJun 28, 2021
Record publishedOct 20, 2021
Record last updatedSep 25, 2024

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:52 UTC. Sources and licenses