CVE-2021-1979

Possible buffer overflow due to improper validation of FTM command payload in Snapdragon Auto,...

7.8 High

Possible buffer overflow due to improper validation of FTM command payload in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

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

0.16%Down 0.3 points since Nov 12, 2021

What each source reports

CVE List Score used 7.8

Record: CVE-2021-1979
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-2021-7443 7.8

Record: EUVD-2021-7443
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-rrmq-f96c-3j95 No score

Possible buffer overflow due to improper validation of FTM command payload in Snapdragon Auto,...

Record: GHSA-rrmq-f96c-3j95
Weakness: CWE-787
Updated: 2026-11-02

NVD 7.8

Record: CVE-2021-1979
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-787
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-2021-1979 is a high vulnerability (CVSS 7.8) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Mobile, published November 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 4th percentile. No source names a fixed version.