Cyber Resilience

CVE-2021-35077

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 0.0010 26.6th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-35077 is a high-severity Use After Free (CWE-416) vulnerability in Qualcomm Ar8035 Firmware. Its CVSS base score is 8.4 (High).

Operationally, ranked at the 26.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Possible use after free scenario in compute offloads to DSP while multiple calls spawn a dynamic process in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

CWE(s)
CWE-416

Related Threats

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

Affected Assets

qualcomm
ar8035 firmware
all versions
qualcomm
qca6174a firmware
all versions
qualcomm
qca6390 firmware
all versions
qualcomm
qca6391 firmware
all versions
qualcomm
qca6574 firmware
all versions
qualcomm
qca6574a firmware
all versions
qualcomm
qca6574au firmware
all versions
qualcomm
qca6595au firmware
all versions
qualcomm
qca6696 firmware
all versions
qualcomm
qca8081 firmware
all versions
+61 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.

SI-16 Memory Protection
addresses: CWE-416

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

References