What is the CVSS score of CVE-2024-21330?

CVE-2024-21330 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.0%.

System Center Operations Manager CVE-2024-21330

HIGH

Heap-based Buffer Overflow (CWE-122)

2024-03-12 secure@microsoft.com

Buffer Overflow Heap Overflow Microsoft System Center Operations Manager Azure Automation Azure Automation Update Management Azure Security Center Azure Sentinel Container Monitoring Solution Log Analytics Agent Operations Management Suite Agent For Linux

7.8

CVSS 3.1 · Vendor: microsoft

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Vulnerability Assessment

Weakness	CWE CWE-122 ASVS 5.0 V15 - Secure Coding and Architecture Heap buffer bounds checking MITRE ATT&CK 1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived	Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 1.0% exploitation probability (EPSS)

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AnalysisAI

Open Management Infrastructure (OMI) Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-122. Open Management Infrastructure (OMI) Elevation of Privilege Vulnerability Affected products include: Microsoft Azure Automation, Microsoft Azure Automation Update Management, Microsoft Azure Security Center, Microsoft Azure Sentinel, Microsoft Container Monitoring Solution.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (microsoft) PRIMARY 7.8 HIGH

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

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

CVSS VectorVendor: microsoft

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

Open Management Infrastructure (OMI) Elevation of Privilege Vulnerability

Threat Intelligence Overview

EPSS Score

1.0%

Top 42% 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 HIGH

CISA KEV No

Public POC No

EPSS 1.0%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +39

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Heap Overflow HIGH

A heap overflow occurs when a program writes data beyond the bounds of a buffer allocated in the heap memory region.

Affected Products (CPE)CVE.org

cpe:2.3:a:microsoft:azure_automation:-:*:*:*:*:*:*:*

cpe:2.3:a:microsoft:azure_automation_update_management:-:*:*:*:*:*:*:*

cpe:2.3:a:microsoft:azure_security_center:-:*:*:*:*:*:*:*

cpe:2.3:a:microsoft:azure_sentinel:-:*:*:*:*:*:*:*

cpe:2.3:a:microsoft:container_monitoring_solution:-:*:*:*:*:*:*:*

cpe:2.3:a:microsoft:log_analytics_agent:-:*:*:*:*:*:*:*

cpe:2.3:a:microsoft:operations_management_suite_agent_for_linux:*:*:*:*:*:*:*:*

cpe:2.3:a:microsoft:system_center_operations_manager:2019:-:*:*:*:*:*:*

cpe:2.3:a:microsoft:system_center_operations_manager:2022:-:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21330

Search Externally

GitHub PoC

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