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CVE-2021-30327

HighPublished

Buffer overflow in sahara protocol while processing commands leads to overwrite of secure configuration data in Snapdragon Mobile, Snapdragon Compute,...

Published: Jun 14, 2022
Updated: Aug 3, 2024
Assigning CNA: qualcomm
Evidence observed: Aug 25, 2026

Primary CVSS

7.5/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L

EPSS probability estimate

0.2%

Low · next 30 days

Percentile: 6.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Buffer overflow in sahara protocol while processing commands leads to overwrite of secure configuration data in Snapdragon Mobile, Snapdragon Compute, Snapdragon Auto, Snapdragon IOT, Snapdragon Connectivity, Snapdragon Voice & Music

Sources

katanaExploit
Let's hijack our bootchain - CVE-2021-30327
echidnaExploit
Unlock the bootloader of any exploitable device vulnerable to CVE-2021-30327

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