# Use after free in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity… CVE record · `CVE-2021-1905` - **Identifiers:** `CVE-2021-1905` - **State:** Confirmed - **Severity:** CVSS 8.4 High - **Critical:** Yes: KEV - **CNA:** qualcomm - **Weakness (CWE):** [CWE-416](https://cwe.mitre.org/data/definitions/416.html) - **Tags:** [Memory corruption](https://agentprime.io/advisories/tag/memory-corruption.md) - **Technologies:** [Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables](https://agentprime.io/advisories/technology/qualcomm-inc-snapdragon-auto-snapdragon-compute-snapdragon-connectivity-snapdrag.md) - **Published:** 7 May 2021 - **Updated:** 21 Oct 2025 - **Reviewed by a person:** No Published by the CVE Program (CNA: qualcomm) at 7 May 2021, 09:10 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. ## Critical Critical, because: - In CISA’s KEV catalogue since 3 Nov 2021: it is known to be exploited. How we decide what’s critical: ## Affected products, as the CNA wrote them - Vendor: Qualcomm, Inc.. Product: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables. - affected: `APQ8009, APQ8009W, APQ8017, APQ8053, APQ8064AU, APQ8096AU, AQT1000, AR8031, AR8035, AR8151, CSRA6620, CSRA6640, FSM10055, FSM10056, MDM9206, MDM9607, MDM9626, MDM9628, MDM9650, MSM8909W, MSM8917, MSM8953, MSM8996AU, PM215, PM3003A, PM4125, PM4250, PM439, PM456, PM6125, PM6150, PM6150A, PM6150L, PM6250, PM6350, PM640A, PM640L, PM640P, PM660, PM660A, PM660L, PM670, PM670A, PM670L, PM7150A, PM7150L, PM7250, PM7250B, PM8004, PM8005, PM8008, PM8009, PM8150, PM8150A, PM8150B, PM8150C, PM8150L, PM8250, PM8350, PM8350B, PM8350BH, PM8350C, PM855, PM855A, PM855B, PM855L, PM855P, PM8909, PM8916, PM8937, PM8953, PM8998, PMC1000H, PMD9607, PMD9655, PME605, PMI632, PMI8937, PMI8952, PMI8998, PMK8002, PMK8003, PMK8350, PMM6155AU, PMM8155AU, PMM8195AU, PMM855AU, PMM8920AU, PMM8996AU, PMR525, PMR735A, PMR735B, PMW3100, PMX20, PMX24, PMX50, PMX55, QAT3514, QAT3516, QAT3518, QAT3519, QAT3522, QAT3550, QAT3555, QAT5515, QAT5516, QAT5522, QAT5533, QAT5568, QBT1000, QBT1500, QBT2000, QCA4020, QCA6174, QCA6174A, QCA ...[truncated*]` ## Not analysed yet We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter. ## Severity and exploitation - 8.4 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`, from CNA (qualcomm) - **CISA KEV:** Listed since 3 Nov 2021: known to be exploited. - **EPSS:** 0.015, the 75th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days. ## Timeline This record came from the full history of the CVE Program, published 7 May 2021. New records show when each source confirmed them. ## Sources - [CVE List: CVE-2021-1905](https://www.cve.org/CVERecord?id=CVE-2021-1905) - [NVD: CVE-2021-1905](https://nvd.nist.gov/vuln/detail/CVE-2021-1905) ### References from the CNA - (confirm) Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description. ## Check whether this affects you This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run. - With the agentprime MCP server (), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: - As JSON: - Everything that needs attention now: --- The web page: . Everything for agents: .