Cyber Resilience

CVE-2021-1947

High

Published: 17 September 2021

Published
17 September 2021
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 0.0004 11.4th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-1947 is a high-severity Use After Free (CWE-416) vulnerability in Qualcomm Apq8009W Firmware. Its CVSS base score is 8.4 (High).

Operationally, ranked at the 11.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Use-after-free vulnerability in kernel graphics driver because of storing an invalid pointer in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

CWE(s)

Related Threats

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

Affected Assets

qualcomm
apq8009w firmware
all versions
qualcomm
apq8053 firmware
all versions
qualcomm
ar9380 firmware
all versions
qualcomm
ipq8064 firmware
all versions
qualcomm
ipq8065 firmware
all versions
qualcomm
ipq8068 firmware
all versions
qualcomm
ipq8069 firmware
all versions
qualcomm
msm8909w firmware
all versions
qualcomm
msm8953 firmware
all versions
qualcomm
qca6320 firmware
all versions
+77 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.

addresses: CWE-416

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

References