CVE-2020-11247

Out of bound memory read while unpacking data due to lack of offset length check in Snapdragon...

8.2 High

Out of bound memory read while unpacking data due to lack of offset length check 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: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: Low

Exploit likelihood

0.94%Up 0.5 points since Apr 14, 2021

What each source reports

CVE List Score used 8.2

Record: CVE-2020-11247
CVSS 3.1: 8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Updated: 2026-11-02

EUVDEUVD-2020-3601 8.2

Record: EUVD-2020-3601
CVSS 3.1: 8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4cx5-qwr2-v2cg No score

Out of bound memory read while unpacking data due to lack of offset length check in Snapdragon...

Record: GHSA-4cx5-qwr2-v2cg
Weakness: CWE-125
Updated: 2026-11-02

NVD 8.2

Record: CVE-2020-11247
CVSS 3.1: 8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 2.0: 9.4 HighAV:N/AC:L/Au:N/C:C/I:N/A:C
Weakness: CWE-125
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-2020-11247 is a high vulnerability (CVSS 8.2) 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 April 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.94%, the 61st percentile. No source names a fixed version.