CVE-2020-11161 [High] | Out-of-bounds Read in Apq8053 Firmware

Out-of-bounds memory access can occur while calculating alignment requirements for a negative width from external components in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.04%	0.15%	+0.10%
2	2025-03-30	0.08%	0.04%	-0.04%
3	2025-03-29	—	0.08%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.04%

0.15%

+0.10%

2025-03-30

0.08%

0.04%

-0.04%

2025-03-29

—

0.08%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.1	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	1.8	5.2	[email protected]
3.6	2.0	LOW	`AV:L/AC:L/Au:N/C:P/I:N/A:P` Click to expand Access vector (AV:L) Requires local access to the target system. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:P) Partial availability impact.	3.9	4.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.1

3.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H Click to expand

Attack vector (AV:L): They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L): A normal user session is enough; they don’t have to be admin.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

1.8

5.2

[email protected]

3.6

2.0

LOW

AV:L/AC:L/Au:N/C:P/I:N/A:P Click to expand

Access vector (AV:L): Requires local access to the target system.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:P): Partial confidentiality impact.
Integrity impact (I:N): No integrity impact.
Availability impact (A:P): Partial availability impact.

3.9

4.9

[email protected]

Affected software / configurations for CVE-2020-11161

Vendor	Product	Version	Raw CPE
qualcomm	apq8053_firmware	—	cpe:2.3:o:qualcomm:apq8053_firmware:-:::::::*
qualcomm	apq8064au_firmware	—	cpe:2.3:o:qualcomm:apq8064au_firmware:-:::::::*
qualcomm	apq8096au_firmware	—	cpe:2.3:o:qualcomm:apq8096au_firmware:-:::::::*
qualcomm	ar8031_firmware	—	cpe:2.3:o:qualcomm:ar8031_firmware:-:::::::*
qualcomm	ar8151_firmware	—	cpe:2.3:o:qualcomm:ar8151_firmware:-:::::::*
qualcomm	csra6620_firmware	—	cpe:2.3:o:qualcomm:csra6620_firmware:-:::::::*
qualcomm	csra6640_firmware	—	cpe:2.3:o:qualcomm:csra6640_firmware:-:::::::*
qualcomm	mdm9650_firmware	—	cpe:2.3:o:qualcomm:mdm9650_firmware:-:::::::*
qualcomm	msm8996au_firmware	—	cpe:2.3:o:qualcomm:msm8996au_firmware:-:::::::*
qualcomm	pm215_firmware	—	cpe:2.3:o:qualcomm:pm215_firmware:-:::::::*
qualcomm	pm3003a_firmware	—	cpe:2.3:o:qualcomm:pm3003a_firmware:-:::::::*
qualcomm	pm6125_firmware	—	cpe:2.3:o:qualcomm:pm6125_firmware:-:::::::*
qualcomm	pm6150_firmware	—	cpe:2.3:o:qualcomm:pm6150_firmware:-:::::::*
qualcomm	pm6150l_firmware	—	cpe:2.3:o:qualcomm:pm6150l_firmware:-:::::::*
qualcomm	pm670_firmware	—	cpe:2.3:o:qualcomm:pm670_firmware:-:::::::*
qualcomm	pm670a_firmware	—	cpe:2.3:o:qualcomm:pm670a_firmware:-:::::::*
qualcomm	pm670l_firmware	—	cpe:2.3:o:qualcomm:pm670l_firmware:-:::::::*
qualcomm	pm7350c_firmware	—	cpe:2.3:o:qualcomm:pm7350c_firmware:-:::::::*
qualcomm	pm8005_firmware	—	cpe:2.3:o:qualcomm:pm8005_firmware:-:::::::*
qualcomm	pm8008_firmware	—	cpe:2.3:o:qualcomm:pm8008_firmware:-:::::::*
qualcomm	pm8009_firmware	—	cpe:2.3:o:qualcomm:pm8009_firmware:-:::::::*
qualcomm	pm8150a_firmware	—	cpe:2.3:o:qualcomm:pm8150a_firmware:-:::::::*
qualcomm	pm8150b_firmware	—	cpe:2.3:o:qualcomm:pm8150b_firmware:-:::::::*
qualcomm	pm8150c_firmware	—	cpe:2.3:o:qualcomm:pm8150c_firmware:-:::::::*
qualcomm	pm8150l_firmware	—	cpe:2.3:o:qualcomm:pm8150l_firmware:-:::::::*
qualcomm	pm8250_firmware	—	cpe:2.3:o:qualcomm:pm8250_firmware:-:::::::*
qualcomm	pm8350_firmware	—	cpe:2.3:o:qualcomm:pm8350_firmware:-:::::::*
qualcomm	pm8350b_firmware	—	cpe:2.3:o:qualcomm:pm8350b_firmware:-:::::::*
qualcomm	pm8350bh_firmware	—	cpe:2.3:o:qualcomm:pm8350bh_firmware:-:::::::*
qualcomm	pm8350bhs_firmware	—	cpe:2.3:o:qualcomm:pm8350bhs_firmware:-:::::::*
qualcomm	pm8350c_firmware	—	cpe:2.3:o:qualcomm:pm8350c_firmware:-:::::::*
qualcomm	pm855_firmware	—	cpe:2.3:o:qualcomm:pm855_firmware:-:::::::*
qualcomm	pm855b_firmware	—	cpe:2.3:o:qualcomm:pm855b_firmware:-:::::::*
qualcomm	pm855l_firmware	—	cpe:2.3:o:qualcomm:pm855l_firmware:-:::::::*
qualcomm	pm8909_firmware	—	cpe:2.3:o:qualcomm:pm8909_firmware:-:::::::*
qualcomm	pm8953_firmware	—	cpe:2.3:o:qualcomm:pm8953_firmware:-:::::::*
qualcomm	pm8998_firmware	—	cpe:2.3:o:qualcomm:pm8998_firmware:-:::::::*
qualcomm	pmd9607_firmware	—	cpe:2.3:o:qualcomm:pmd9607_firmware:-:::::::*
qualcomm	pmd9655_firmware	—	cpe:2.3:o:qualcomm:pmd9655_firmware:-:::::::*
qualcomm	pme605_firmware	—	cpe:2.3:o:qualcomm:pme605_firmware:-:::::::*
qualcomm	pmi632_firmware	—	cpe:2.3:o:qualcomm:pmi632_firmware:-:::::::*
qualcomm	pmi8952_firmware	—	cpe:2.3:o:qualcomm:pmi8952_firmware:-:::::::*
qualcomm	pmk7350_firmware	—	cpe:2.3:o:qualcomm:pmk7350_firmware:-:::::::*
qualcomm	pmk8002_firmware	—	cpe:2.3:o:qualcomm:pmk8002_firmware:-:::::::*
qualcomm	pmk8350_firmware	—	cpe:2.3:o:qualcomm:pmk8350_firmware:-:::::::*
qualcomm	pmm6155au_firmware	—	cpe:2.3:o:qualcomm:pmm6155au_firmware:-:::::::*
qualcomm	pmm8996au_firmware	—	cpe:2.3:o:qualcomm:pmm8996au_firmware:-:::::::*
qualcomm	pmr525_firmware	—	cpe:2.3:o:qualcomm:pmr525_firmware:-:::::::*
qualcomm	pmr735a_firmware	—	cpe:2.3:o:qualcomm:pmr735a_firmware:-:::::::*
qualcomm	pmr735b_firmware	—	cpe:2.3:o:qualcomm:pmr735b_firmware:-:::::::*
qualcomm	pmx20_firmware	—	cpe:2.3:o:qualcomm:pmx20_firmware:-:::::::*
qualcomm	pmx55_firmware	—	cpe:2.3:o:qualcomm:pmx55_firmware:-:::::::*
qualcomm	qat3514_firmware	—	cpe:2.3:o:qualcomm:qat3514_firmware:-:::::::*
qualcomm	qat3516_firmware	—	cpe:2.3:o:qualcomm:qat3516_firmware:-:::::::*
qualcomm	qat3518_firmware	—	cpe:2.3:o:qualcomm:qat3518_firmware:-:::::::*
qualcomm	qat3519_firmware	—	cpe:2.3:o:qualcomm:qat3519_firmware:-:::::::*
qualcomm	qat3522_firmware	—	cpe:2.3:o:qualcomm:qat3522_firmware:-:::::::*
qualcomm	qat3555_firmware	—	cpe:2.3:o:qualcomm:qat3555_firmware:-:::::::*
qualcomm	qat5515_firmware	—	cpe:2.3:o:qualcomm:qat5515_firmware:-:::::::*
qualcomm	qat5516_firmware	—	cpe:2.3:o:qualcomm:qat5516_firmware:-:::::::*
qualcomm	qat5522_firmware	—	cpe:2.3:o:qualcomm:qat5522_firmware:-:::::::*
qualcomm	qat5568_firmware	—	cpe:2.3:o:qualcomm:qat5568_firmware:-:::::::*
qualcomm	qbt2000_firmware	—	cpe:2.3:o:qualcomm:qbt2000_firmware:-:::::::*
qualcomm	qca6174a_firmware	—	cpe:2.3:o:qualcomm:qca6174a_firmware:-:::::::*
qualcomm	qca6390_firmware	—	cpe:2.3:o:qualcomm:qca6390_firmware:-:::::::*
qualcomm	qca6391_firmware	—	cpe:2.3:o:qualcomm:qca6391_firmware:-:::::::*
qualcomm	qca6426_firmware	—	cpe:2.3:o:qualcomm:qca6426_firmware:-:::::::*
qualcomm	qca6436_firmware	—	cpe:2.3:o:qualcomm:qca6436_firmware:-:::::::*
qualcomm	qca6564_firmware	—	cpe:2.3:o:qualcomm:qca6564_firmware:-:::::::*
qualcomm	qca6564a_firmware	—	cpe:2.3:o:qualcomm:qca6564a_firmware:-:::::::*
qualcomm	qca6564au_firmware	—	cpe:2.3:o:qualcomm:qca6564au_firmware:-:::::::*
qualcomm	qca6574_firmware	—	cpe:2.3:o:qualcomm:qca6574_firmware:-:::::::*
qualcomm	qca6574a_firmware	—	cpe:2.3:o:qualcomm:qca6574a_firmware:-:::::::*
qualcomm	qca6574au_firmware	—	cpe:2.3:o:qualcomm:qca6574au_firmware:-:::::::*
qualcomm	qca9367_firmware	—	cpe:2.3:o:qualcomm:qca9367_firmware:-:::::::*
qualcomm	qca9377_firmware	—	cpe:2.3:o:qualcomm:qca9377_firmware:-:::::::*
qualcomm	qca9379_firmware	—	cpe:2.3:o:qualcomm:qca9379_firmware:-:::::::*
qualcomm	qcs405_firmware	—	cpe:2.3:o:qualcomm:qcs405_firmware:-:::::::*
qualcomm	qcs410_firmware	—	cpe:2.3:o:qualcomm:qcs410_firmware:-:::::::*
qualcomm	qcs603_firmware	—	cpe:2.3:o:qualcomm:qcs603_firmware:-:::::::*

References for CVE-2020-11161

URL	Tags
https://www.qualcomm.com/company/product-security/bulletins/january-2021-bulletin	Patch Vendor Advisory

URL

CVE-2020-11161

Exploit prediction scoring system (EPSS) score for CVE-2020-11161

Common vulnerability scoring system (CVSS) metrics for CVE-2020-11161

Weakness enumeration for CVE-2020-11161

Affected software / configurations for CVE-2020-11161

References for CVE-2020-11161