CVE-2020-11166

Potential out of bound read exception when UE receives unusually large number of padding octets...

9.1 Critical

Potential out of bound read exception when UE receives unusually large number of padding octets in the beginning of ROHC header 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: High

Exploit likelihood

0.92%Up 0.5 points since Apr 14, 2021

What each source reports

NVD Score used 9.1

Record: CVE-2020-11166
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: 6.4 MediumAV:N/AC:L/Au:N/C:P/I:N/A:P
Weakness: CWE-125
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-11166
Updated: 2026-11-02

EUVDEUVD-2020-3520 No score

Record: EUVD-2020-3520
Updated: 2026-11-03

GitHub AdvisoriesGHSA-jm45-hjcw-qv8r No score

Potential out of bound read exception when UE receives unusually large number of padding octets...

Record: GHSA-jm45-hjcw-qv8r
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-2020-11166 is a critical vulnerability (CVSS 9.1) 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 March 17, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. No source names a fixed version.