CVE-2020-11163

Possible buffer overflow while updating ikev2 parameters due to lack of check of input validation...

9.8 Critical

Possible buffer overflow while updating ikev2 parameters due to lack of check of input validation for certain parameters received from the ePDG server in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

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: High
Availability: High

Exploit likelihood

0.85%Up 0.4 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2020-11163
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-129
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-11163
Updated: 2026-11-02

EUVDEUVD-2020-3517 No score

Record: EUVD-2020-3517
Updated: 2026-11-03

GitHub AdvisoriesGHSA-rm5h-9pmf-vrf7 No score

Possible buffer overflow while updating ikev2 parameters due to lack of check of input validation...

Record: GHSA-rm5h-9pmf-vrf7
Weakness: CWE-129
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-2020-11163 is a critical vulnerability (CVSS 9.8) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Mobile, published February 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. No source names a fixed version.