Cyber Resilience

CVE-2021-1916

Critical

Published: 08 September 2021

Published
08 September 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0033 56.4th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-1916 is a critical-severity Out-of-bounds Write (CWE-787) vulnerability in Qualcomm Sdx55 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 43.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Possible buffer underflow due to lack of check for negative indices values when processing user provided input in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables

CWE(s)

Related Threats

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

Affected Assets

qualcomm
apq8009 firmware
all versions
qualcomm
apq8009w firmware
all versions
qualcomm
apq8017 firmware
all versions
qualcomm
apq8037 firmware
all versions
qualcomm
apq8053 firmware
all versions
qualcomm
apq8084 firmware
all versions
qualcomm
apq8096au firmware
all versions
qualcomm
aqt1000 firmware
all versions
qualcomm
ar6003 firmware
all versions
qualcomm
csr6030 firmware
all versions
+172 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