CVE-2020-11267

Stack out-of-bounds write occurs while setting up a cipher device if the provided IV length...

8.4 HighFix available

Stack out-of-bounds write occurs while setting up a cipher device if the provided IV length exceeds the max limit value in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.18%Down 0.2 points since Jun 9, 2021

What each source reports

CVE List Score used 8.4

Record: CVE-2020-11267
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

EUVDEUVD-2020-3621 8.4

Record: EUVD-2020-3621
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-x6x9-fjmw-h495 No score

Stack out-of-bounds write occurs while setting up a cipher device if the provided IV length...

Record: GHSA-x6x9-fjmw-h495
Weakness: CWE-787
Updated: 2026-11-02

NVD 8.4

Record: CVE-2020-11267
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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: 4.6 MediumAV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-787
Updated: 2026-11-02

Affected products

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Affected packages

Affected packages
Package	Affected	Fixed
`:linux_kernel:Qualcomm` Android	SoCVersion:0 up to SoCVersion:2021-06-05, plus listed versions SoCVersion	SoCVersion:2021-06-05
`oss/kernel/linux-msm` Android	SoCVersion:0 up to SoCVersion:2021-06-05, plus listed versions SoCVersion	SoCVersion:2021-06-05

History

History
Recorded	Changed	Sources
Nov 4, 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-2020-11267 is a high vulnerability (CVSS 8.4) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure And Networking, published June 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 8th percentile. Fixed in :linux_kernel:Qualcomm SoCVersion:2021-06-05.