TI-2023-08238 Aliases CVE-2023-21860 GHSA-w7x5-g6gj-cxw9

Improper access control in Oracle MySQL Cluster

LOW 31CWE-284Published 2023-01-18 · Updated 2024-09-16

Key facts

Attack vector: Adjacent network
Privileges required: High
User interaction: Required
Attack complexity: High
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: Internal Operations). Supported versions that are affected are 7.4.38 and prior, 7.5.28 and prior, 7.6.24 and prior and 8.0.31 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).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00622 50th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Oracle	MySQL Cluster	up to 7.4.38; up to 7.5.28; up to 7.6.24; up to 8.0.31	—	No fix listed	CNA

MySQL Cluster VendorOracle Affected up to 7.4.38; up to 7.5.28; up to 7.6.24; up to 8.0.31 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:oracle:mysql_cluster::::::::	7.4.0 – 7.4.38; 7.5.0 – 7.5.28; 7.6.0 – 7.6.24; 8.0.0 – 8.0.31	Vulnerable	Oracle

cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:* Versions 7.4.0 – 7.4.38; 7.5.0 – 7.5.28; 7.6.0 – 7.6.24; 8.0.0 – 8.0.31 Vulnerable ·Oracle

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-21860
2026-10-03 Alias added: GHSA-w7x5-g6gj-cxw9
2026-11-07 EPSS moved to the 50th–90th percentile

References

Patch 1

Oracle Advisory

TI-2021-14316 Out-of-bounds write in Oracle MySQL Cluster CVSS 3.1MEDIUM 6.3
TI-2021-05744 Uncontrolled resource consumption in NodeJS Node CVSS 3.1HIGH 7.5
TI-2022-05875 Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General). CVSS 3.1MEDIUM 6.3
TI-2021-05792 Improper input validation in NodeJS Node CVSS 3.1CRITICAL 9.8
TI-2020-06694 Uncontrolled resource consumption in NodeJS Node CVSS 3.1HIGH 7.5
TI-2021-14324 Improper array index validation in Oracle MySQL Cluster CVSS 3.1MEDIUM 6.3

See all 122 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences