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CVE-2023-21671

Qualcomm Fastconnect 6700 Firmware vulnerability

9.3 CRITICALEPSS 0.14%
  1. Published7 Nov 2023

Description

Memory Corruption in Core during syscall for Sectools Fuse comparison feature.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Qualcomm Fastconnect 6700 Firmwareall versions
Qualcomm Fastconnect 6900 Firmwareall versions
Qualcomm Qca6391 Firmwareall versions
Qualcomm Qcm6490 Firmwareall versions
Qualcomm Qcs6490 Firmwareall versions
Qualcomm Qsm8350 Firmwareall versions
Qualcomm Sd888 Firmwareall versions
Qualcomm Sm7315 Firmwareall versions
Qualcomm Sm7325p Firmwareall versions
Qualcomm Snapdragon 778g+ 5g Mobile Platform Firmwareall versions
Qualcomm Snapdragon 778g 5g Mobile Platform Firmwareall versions
Qualcomm Snapdragon 780g 5g Mobile Platform Firmwareall versions
Qualcomm Snapdragon 782g Mobile Platform Firmwareall versions
Qualcomm Snapdragon 7c+ Gen 3 Compute Firmwareall versions
Qualcomm Snapdragon 888+ 5g Mobile Platform Firmwareall versions
Qualcomm Snapdragon 888 5g Mobile Platform Firmwareall versions
Qualcomm Video Collaboration Vc3 Platform Firmwareall versions
Qualcomm Wcd9370 Firmwareall versions
Qualcomm Wcd9375 Firmwareall versions
Qualcomm Wcd9380 Firmwareall versions
Qualcomm Wcd9385 Firmwareall versions
Qualcomm Wcn6740 Firmwareall versions
Qualcomm Wsa8830 Firmwareall versions
Qualcomm Wsa8835 Firmwareall versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2023-21671 being actively exploited?

CVE-2023-21671 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.14%.

How severe is CVE-2023-21671?

CVE-2023-21671 has a CVSS 3.1 base score of 9.3, rated critical. EPSS estimates a 0.14% probability of exploitation.

Which products are affected by CVE-2023-21671?

Affected products include Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qcm6490 Firmware, Qualcomm Qcs6490 Firmware, and 19 more.

How do I fix CVE-2023-21671?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-21671 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.