CVE-2020-11308

Buffer overflow occurs when trying to convert ASCII string to Unicode string if the actual size...

6.8 MediumFix available

Buffer overflow occurs when trying to convert ASCII string to Unicode string if the actual size is more than required 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: Physical
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.22%Down 0.2 points since Apr 14, 2021

What each source reports

NVD Score used 6.8

Record: CVE-2020-11308
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:P/AC:L/PR:N/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-129
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-11308
Updated: 2026-11-02

EUVDEUVD-2020-3662 No score

Record: EUVD-2020-3662
Updated: 2026-11-03

GitHub AdvisoriesGHSA-59gm-4h96-737v No score

Buffer overflow occurs when trying to convert ASCII string to Unicode string if the actual size...

Record: GHSA-59gm-4h96-737v
Weakness: CWE-129
Updated: 2026-11-02

Affected products

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Affected packages

Affected packages
Package	Affected	Fixed
`abl/tianocore/edk2` Android	SoCVersion:0 up to SoCVersion:2021-03-05, plus listed versions SoCVersion	SoCVersion:2021-03-05

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-2020-11308 is a medium vulnerability (CVSS 6.8) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Voice & Music, published March 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 13th percentile. Fixed in abl/tianocore/edk2 SoCVersion:2021-03-05.