What is the CVSS score of CVE-2023-21971?

CVE-2023-21971 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H. EPSS exploitation probability: 1.3%.

Is there a patch available for CVE-2023-21971?

Yes, a patch is available for CVE-2023-21971. Update the affected software to the latest version immediately.

Mysql Connectors CVE-2023-21971

MEDIUM

2023-04-18 secalert_us@oracle.com

Denial Of Service Oracle Active Iq Unified Manager Oncommand Insight Snapcenter Mysql Connectors Communications Cloud Native Core Binding Support Function Communications Cloud Native Core Policy Netapp

5.3

CVSS 3.1 · Vendor: oracle

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Vulnerability Assessment

Impact	CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, high complexity, high privileges required, user interaction required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 1.3% exploitation probability (EPSS)

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AnalysisAI

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.32 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors as well as unauthorized update, insert or delete access to some of MySQL Connectors accessible data and unauthorized read access to a subset of MySQL Connectors accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H). Affected products include: Oracle Communications Cloud Native Core Binding Support Function, Oracle Communications Cloud Native Core Policy, Oracle Mysql Connectors, Netapp Active Iq Unified Manager, Netapp Oncommand Insight.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (oracle) PRIMARY 5.3 MEDIUM

AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H

Primary rating from Vendor (oracle) · only source for this CVE.

CVSS VectorVendor: oracle

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

DescriptionCVE.org

Threat Intelligence Overview

EPSS Score

1.3%

Top 33% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 1.3%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +26

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.4.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:23.1.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.4.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_cloud_native_core_policy:23.1.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:mysql_connectors:*:*:*:*:*:*:*:*

cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:linux:*:*

cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*

cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*

cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*

cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://www.oracle.com/security-alerts/cpuapr2023.html PATCH https://www.oracle.com/security-alerts/cpujul2023.html REF https://security.netapp.com/advisory/ntap-20230427-0007/ REF https://security.netapp.com/advisory/ntap-20230427-0010/

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GitHub PoC

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