Cyber Resilience

CVE-2021-30318

High

Published: 11 February 2022

Published
11 February 2022
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 0.0005 16.1th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-30318 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Qualcomm Apq8009W Firmware. Its CVSS base score is 8.4 (High).

Operationally, ranked at the 16.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Improper validation of input when provisioning the HDCP key can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial 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
apq8009w firmware
all versions
qualcomm
apq8017 firmware
all versions
qualcomm
apq8096au firmware
all versions
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
csrb31024 firmware
all versions
qualcomm
fsm10055 firmware
all versions
+127 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-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References