Cyber Resilience

CVE-2023-21672

High

Published: 04 July 2023

Published
04 July 2023
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0005 17.1th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-21672 is a high-severity Use After Free (CWE-416) vulnerability in Qualcomm Fastconnect 6700 Firmware. Its CVSS base score is 8.4 (High).

Operationally, ranked at the 17.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Memory corruption in Audio while running concurrent tunnel playback or during concurrent audio tunnel recording sessions.

CWE(s)
CWE-416

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

qualcomm
fastconnect 6700 firmware
all versions
qualcomm
fastconnect 6900 firmware
all versions
qualcomm
fastconnect 7800 firmware
all versions
qualcomm
qam8255p firmware
all versions
qualcomm
qam8295p firmware
all versions
qualcomm
qam8650p firmware
all versions
qualcomm
qam8775p firmware
all versions
qualcomm
qca6574 firmware
all versions
qualcomm
qca6574a firmware
all versions
qualcomm
qca6574au firmware
all versions
+47 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References