Cyber Resilience

CVE-2021-35082

Critical

Published: 14 June 2022

Published
14 June 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS Score 0.0023 46.0th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-35082 is a critical-severity Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367) vulnerability in Qualcomm Mdm9206 Firmware. Its CVSS base score is 9.1 (Critical).

Operationally, ranked at the 46.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Improper integrity check can lead to race condition between tasks PDCP and RRC? right after a valid RRC security mode command packet has been received in Snapdragon Industrial IOT

CWE(s)

Related Threats

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

Affected Assets

qualcomm
mdm9206 firmware
all versions
qualcomm
qca9367 firmware
all versions
qualcomm
qca9377 firmware
all versions

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-367

Timestamps meeting UTC or offset standards help identify TOCTOU issues through precise chronological reconstruction of check/use operations.

References