What is the CVSS score of CVE-2024-21466?

CVE-2024-21466 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.2%.

Is there a patch available for CVE-2024-21466?

Yes, a patch is available for CVE-2024-21466. Update the affected software to the latest version immediately.

Fastconnect 7800 Firmware CVE-2024-21466

HIGH

Integer Underflow (CWE-191)

2024-07-01 product-security@qualcomm.com

Information Disclosure Integer Overflow Qualcomm Fastconnect 7800 Firmware Immersive Home 3210 Platform Firmware Immersive Home 326 Platform Firmware Ipq5300 Firmware Ipq5302 Firmware Ipq5312 Firmware Ipq5332 Firmware Ipq9008 Firmware Ipq9554 Firmware Ipq9570 Firmware Ipq9574 Firmware Qam8255p Firmware Qam8620p Firmware Qam8650p Firmware Qam8775p Firmware Qamsrv1h Firmware Qamsrv1m Firmware Qca0000 Firmware Qca6554a Firmware Qca6564au Firmware Qca6574 Firmware Qca6574a Firmware Qca6574au Firmware Qca6584au Firmware Qca6595 Firmware Qca6595au Firmware Qca6678aq Firmware Qca6696 Firmware Qca6698aq Firmware Qca8075 Firmware Qca8081 Firmware Qca8082 Firmware Qca8084 Firmware Qca8085 Firmware Qca8386 Firmware Qcc2073 Firmware Qcc2076 Firmware Qcf8000 Firmware Qcf8001 Firmware Qcn5124 Firmware Qcn6402 Firmware Qcn6412 Firmware Qcn6422 Firmware Qcn6432 Firmware Qcn9000 Firmware Qcn9074 Firmware Qcn9274 Firmware Sa7255p Firmware Sa7775p Firmware Sa8255p Firmware Sa8620p Firmware Sa8650p Firmware Sa8770p Firmware Sa8775p Firmware Sa9000p Firmware Srv1h Firmware Srv1l Firmware Srv1m Firmware Sw5100 Firmware Sw5100p Firmware Wcn3980 Firmware Wcn3988 Firmware Wsa8830 Firmware Wsa8835 Firmware

7.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-191 ASVS 5.0 V15 - Secure Coding and Architecture Integer underflow checks
Impact	CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

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

Patch available 0.2% exploitation probability (EPSS)

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AnalysisAI

Information disclosure while parsing sub-IE length during new IE generation. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

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

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-191. Information disclosure while parsing sub-IE length during new IE generation. Affected products include: Qualcomm Fastconnect 7800 Firmware, Qualcomm Immersive Home 3210 Platform Firmware, Qualcomm Immersive Home 326 Platform Firmware, Qualcomm Ipq5300 Firmware, Qualcomm Ipq5302 Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionNVD

Information disclosure while parsing sub-IE length during new IE generation.

Threat Intelligence Overview

EPSS Score

0.2%

Top 88% 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 0.2%

Patch available Yes

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

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Integer Overflow MEDIUM

Integer overflow occurs when an arithmetic operation produces a result that exceeds the maximum value a given integer type can store.

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

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

cpe:2.3:o:qualcomm:immersive_home_3210_platform_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:immersive_home_326_platform_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:ipq5300_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:ipq5302_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:ipq5312_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:ipq5332_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:ipq9008_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:ipq9554_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:ipq9570_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:ipq9574_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qam8255p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qam8620p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qam8650p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qam8775p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qamsrv1h_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qamsrv1m_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca0000_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca6554a_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qca6564au_firmware:-:*:*:*:*:*:*:*

+ 44 more

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References

Advisories & patches

PATCH https://docs.qualcomm.com/product/publicresources/securitybulletin/july-2024-bulletin.html

Search Externally

GitHub PoC

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