What is the CVSS score of CVE-2024-45540?

CVE-2024-45540 has a CVSS 3.1 base score of 6.6 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2024-45540?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

C V2x 9150 Firmware CVE-2024-45540

MEDIUM

Use After Free (CWE-416)

2025-04-07 product-security@qualcomm.com

6.6

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-416 OWASP Top 10:2025 A06:2021 - Vulnerable and Outdated Components ASVS 5.0 V15 - Secure Coding and Architecture Memory lifecycle management MITRE ATT&CK 2 techniques across 2 tactics: Execution, Privilege Escalation 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 6.6 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.08%.
Exploit ScenarioDerived	A local attacker with access to the system could access freed memory to execute arbitrary code or crash the application.

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

No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

Memory corruption while invoking IOCTL map buffer request from userspace. Rated medium severity (CVSS 6.6), 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. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.

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 as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. Memory corruption while invoking IOCTL map buffer request from userspace. Affected products include: Qualcomm C-V2X 9150 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.6 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

Low

DescriptionCVE.org

Memory corruption while invoking IOCTL map buffer request from userspace.

Executive ViewAI

Why It Matters

CVE-2024-45540 presents notable security risk, a use-after-free vulnerability rated CVSS 6.6. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Moderate

Compensating Controls

Apply vendor patch. If patching is delayed: enable ASLR/DEP, apply network segmentation.

Threat Intelligence Overview

EPSS Score

0.1%

Top 77% exploitable

Data Quality

3 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 0.1%

Patch available No

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

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +33

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.

Use After Free HIGH

Use-after-free vulnerabilities occur when a program continues to access memory through a pointer after that memory has been deallocated.

Memory Corruption HIGH

Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.

Affected Products (CPE)CVE.org

cpe:2.3:o:qualcomm:c-v2x_9150_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:fastconnect_6200_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:fastconnect_6800_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qam8295p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca6174a_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca6678aq_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca6688aq_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca6698aq_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca9367_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca9377_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qcn9074_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qcs410_firmware:-:*:*:*:*:*:*:*

+ 48 more

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References

Advisories & patches

ADVISORY https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html

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GitHub PoC

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