Cyber Resilience

CVE-2023-21666

HighPublic PoC

Published: 02 May 2023

Published
02 May 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 0.0012 30.3th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-21666 is a high-severity Missing Release of Memory after Effective Lifetime (CWE-401) vulnerability in Qualcomm Qrb5165 Firmware. Its CVSS base score is 8.4 (High).

Operationally, ranked at the 30.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Memory Corruption in Graphics while accessing a buffer allocated through the graphics pool.

CWE(s)
CWE-401

Related Threats

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

Affected Assets

qualcomm
wcn3998 firmware
all versions
qualcomm
qca6390 firmware
all versions
qualcomm
wcn685x-5 firmware
all versions
qualcomm
wcn685x-1 firmware
all versions
qualcomm
flight rb5 5g platform firmware
all versions
qualcomm
home hub 100 platform firmware
all versions
qualcomm
mdm9250 firmware
all versions
qualcomm
mdm9628 firmware
all versions
qualcomm
mdm9650 firmware
all versions
qualcomm
msm8108 firmware
all versions
+155 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References