Home/CVE/Possible buffer overflow due to improper data validation of external commands sent via DIAG interface in Snapdragon Auto
CVE

CVE-2021-30331

Possible buffer overflow due to improper data validation of external commands sent via DIAG interface in Snapdragon Auto

Possible buffer overflow due to improper data validation of external commands sent via DIAG interface in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables.

MEDIUM · CVSS 5.5 EPSS 0.00047
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

60
qualcomm ar8035 firmwareall versions
qualcomm fsm10055 firmwareall versions
qualcomm fsm10056 firmwareall versions
qualcomm mdm9150 firmwareall versions
qualcomm mdm9650 firmwareall versions
qualcomm qca6174a firmwareall versions
qualcomm qca6390 firmwareall versions
qualcomm qca6391 firmwareall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · product-security@qualcomm.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Apr 2022 · 05:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.qualcomm.com/company/product-security/bulletins/march-2022-bulletinVendor Advisory
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