CVE-2020-11198

Key material used for TZ diag buffer encryption and other data related to log buffer is not wiped...

6.7 Medium

Key material used for TZ diag buffer encryption and other data related to log buffer is not wiped securely due to improper usage of memset in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.12%Down 0.3 points since Apr 14, 2021

What each source reports

NVD Score used 6.7

Record: CVE-2020-11198
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/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-212
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-11198
Updated: 2026-11-02

EUVDEUVD-2020-3552 No score

Record: EUVD-2020-3552
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xhpg-ggxx-427r No score

Key material used for TZ diag buffer encryption and other data related to log buffer is not wiped...

Record: GHSA-xhpg-ggxx-427r
Weakness: CWE-200
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-2020-11198 is a medium vulnerability (CVSS 6.7) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure And Networking, published February 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 2nd percentile. No source names a fixed version.