CVE-2020-11277

Possible race condition during async fastrpc session after sending RPC message due to the fastrpc...

7.4 HighFix available

Possible race condition during async fastrpc session after sending RPC message due to the fastrpc ctx gets free during async session in Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: High
Privileges needed: None
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 7.4

Record: CVE-2020-11277
CVSS 3.1: 7.4 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 6.9 MediumAV:L/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-362, CWE-416
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-11277
Updated: 2026-11-02

EUVDEUVD-2020-3631 No score

Record: EUVD-2020-3631
Updated: 2026-11-03

GitHub AdvisoriesGHSA-pr65-pvq8-rq7c No score

Possible race condition during async fastrpc session after sending RPC message due to the fastrpc...

Record: GHSA-pr65-pvq8-rq7c
Weakness: CWE-416
Updated: 2026-11-02

Affected products

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Affected packages

Affected packages
Package	Affected	Fixed
`:unknown:` Android	SoCVersion:0 up to SoCVersion:2021-02-05, plus listed versions SoCVersion	SoCVersion:2021-02-05

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-2020-11277 is a high vulnerability (CVSS 7.4) in Qualcomm, Inc. Snapdragon Compute, Snapdragon Industrial Iot, Snapdragon Mobile, published February 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 1st percentile. Fixed in :unknown: SoCVersion:2021-02-05.