Cyber Resilience

CVE-2021-1942

Critical

Published: 01 April 2022

Published
01 April 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0003 8.9th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-1942 is a critical-severity Out-of-bounds Write (CWE-787) vulnerability in Qualcomm Aqt1000 Firmware. Its CVSS base score is 9.3 (Critical).

Operationally, ranked at the 8.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Improper handling of permissions of a shared memory region can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, 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
aqt1000 firmware
all versions
qualcomm
ar8031 firmware
all versions
qualcomm
ar8035 firmware
all versions
qualcomm
csra6620 firmware
all versions
qualcomm
csra6640 firmware
all versions
qualcomm
fsm10055 firmware
all versions
qualcomm
fsm10056 firmware
all versions
qualcomm
mdm9150 firmware
all versions
qualcomm
qca6390 firmware
all versions
qualcomm
qca6391 firmware
all versions
+101 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-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References