Cyber Resilience

CVE-2025-30681

DoS in Oracle Mysql Cluster 7.6.0 – 7.6.33

Published
15 April 2025
Modified
03 November 2025
Patch / advisory
CVSS Score v3.1 2.7
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0072 50th percentile
Risk Priority 15 floored blend · peak EPSS

Summary

CVE-2025-30681 is a low-severity Uncontrolled Resource Consumption (CWE-400) vulnerability in Oracle Mysql Cluster. Its CVSS base score is 2.7 (Low).

Operationally, ranked in the top 50% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to SI-2 (Flaw Remediation) and AC-6 (Least Privilege) — see the control section below for these in your framework.

EU & UK References

Vulnerability Data

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful…

more

attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 2.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L).

CWE(s)

Related Threats

CVEs Like This One

CVE-2026-47012Same product: Oracle Mysql Cluster
CVE-2026-61108Same product: Oracle Mysql Cluster
CVE-2026-60174Same product: Oracle Mysql Cluster
CVE-2026-60747Same product: Oracle Mysql Cluster
CVE-2026-60177Same product: Oracle Mysql Cluster
CVE-2025-53023Same product: Oracle Mysql Cluster
CVE-2026-61109Same product: Oracle Mysql Cluster
CVE-2026-60184Same product: Oracle Mysql Cluster
CVE-2026-60186Same product: Oracle Mysql Cluster
CVE-2024-21177Same product: Oracle Mysql Cluster

Affected Assets

oracle
mysql cluster
7.6.0 — 7.6.33 · 8.0.0 — 8.0.41 · 8.4.0 — 8.4.4
oracle
mysql server
8.0.0 — 8.0.41 · 8.4.0 — 8.4.4 · 9.0.0 — 9.2.0

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)
  • SI-2 Flaw Remediation
  • AC-6 Least Privilege
  • SC-5 Denial-of-service Protection
Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)

Validate
Prove the fix (OWASP ASVS)

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly requires timely application of vendor patches to eliminate the replication flaw before a privileged attacker can trigger resource exhaustion.

prevent

Limits assignment of the high-privileged replication accounts that are required to exploit the vulnerability over the network.

prevent

Implements resource-management and throttling controls that can constrain the partial denial-of-service impact described in the CVE.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.IR-04 mostly match
prevents

Explicitly requires monitoring and maintaining resource capacity, directly addressing uncontrolled consumption to preserve availability.

DE.CM-09 partial match
prevents

Continuous monitoring of computing resources can detect resource exhaustion but does not itself enforce allocation limits.

PR.IR-03 partial match
prevents

Resilience mechanisms such as avoiding single points of failure indirectly reduce impact of resource exhaustion.

PR.PS-01 partial match
prevents

Hardened configuration baselines can include resource quotas and limits that constrain consumption.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

detects

Resource-utilization monitoring and alerting on bottlenecks or overloads limits the impact of denial-of-service or resource-exhaustion attacks.

prevents

By continuously monitoring utilization, stress-testing peak loads, and maintaining documented plans to scale or throttle resources, the control directly limits an attacker’s ability to drive a system into uncontrolled resource exhaustion.

detects

Pre-agreed severity-based prioritization and resource allocation during incident triage reduce the likelihood that an attacker-induced resource exhaustion will overwhelm the organization before corrective action is taken.

mitigates

Business-continuity plans that include resource-management controls reduce the likelihood that an attacker can trigger uncontrolled resource consumption by forcing the system into a degraded or fallback state.

mitigates

Defining RTOs and capacity requirements for ICT services during business-impact analysis forces organizations to provision sufficient resources and throttling mechanisms, reducing the likelihood that an attacker can induce denial-of-service through uncontrolled resource consumption.

detects

Early notification of anomalous resource consumption or system malfunctions enables throttling or isolation before availability is lost.

References