CVE-2021-1973

A FTM Diag command can allow an arbitrary write into modem OS space in Snapdragon Auto,...

7.8 High

A FTM Diag command can allow an arbitrary write into modem OS space in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.15%Down 0.3 points since Nov 12, 2021

What each source reports

CVE List Score used 7.8

Record: CVE-2021-1973
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

EUVDEUVD-2021-7437 7.8

Record: EUVD-2021-7437
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xmjg-qqpf-gpff No score

A FTM Diag command can allow an arbitrary write into modem OS space in Snapdragon Auto,...

Record: GHSA-xmjg-qqpf-gpff
Weakness: CWE-119
Updated: 2026-11-02

NVD 7.8

Record: CVE-2021-1973
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-119
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-1973 is a high vulnerability (CVSS 7.8) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Iot, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, published November 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.