Cyber Resilience

CVE-2021-1975

Critical

Published: 12 November 2021

Published
12 November 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 0.0032 55.9th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-1975 is a critical-severity Out-of-bounds Write (CWE-787) vulnerability in Qualcomm Apq8009 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 44.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Possible heap overflow due to improper length check of domain while parsing the DNS response 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
apq8096au firmware
all versions
qualcomm
ar6003 firmware
all versions
qualcomm
ar8035 firmware
all versions
qualcomm
csr6030 firmware
all versions
qualcomm
csrb31024 firmware
all versions
qualcomm
fsm10055 firmware
all versions
+170 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