CVE-2021-1970

Possible out of bound read due to lack of length check of FT sub-elements in Snapdragon Auto,...

7.5 HighFix available

Possible out of bound read due to lack of length check of FT sub-elements in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.60%Up 0.2 points since Jul 13, 2021

What each source reports

CVE List Score used 7.5

Record: CVE-2021-1970
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

EUVDEUVD-2021-7434 7.5

Record: EUVD-2021-7434
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-gfj8-28hv-4g67 No score

Possible out of bound read due to lack of length check of FT sub-elements in Snapdragon Auto,...

Record: GHSA-gfj8-28hv-4g67
Weakness: CWE-20
Updated: 2026-11-02

NVD 7.5

Record: CVE-2021-1970
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-20, CWE-125
Updated: 2026-11-02

Affected products

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Affected packages

Affected packages
Package	Affected	Fixed
`platform/vendor/qcom-opensource/wlan/qcacld-3.0` Android	SoCVersion:0 up to SoCVersion:2021-07-05, plus listed versions SoCVersion	SoCVersion:2021-07-05

History

History
Recorded	Changed	Sources
Nov 5, 2026	facts	OSV
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2021-1970 is a high vulnerability (CVSS 7.5) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Voice & Music, published July 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 49th percentile. Fixed in platform/vendor/qcom-opensource/wlan/qcacld-3.0 SoCVersion:2021-07-05.