CVE-2020-11274 [High] | Denial of Service in Aqt1000 Firmware

CVE-2020-11274 is rated Moderate Risk (47.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.69%). Review affected assets and schedule remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.24%	0.69%	+0.44%
2	2025-03-30	0.34%	0.24%	-0.10%
3	2025-03-29	—	0.34%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.24%

0.69%

+0.44%

2025-03-30

0.34%

0.24%

-0.10%

2025-03-29

—

0.34%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. 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:N) No account or special rights needed—anonymous or random user is enough. 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:N) Doesn’t really leak secrets in a meaningful 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.	3.9	3.6	[email protected]
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. 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:N) No account or special rights needed—anonymous or random user is enough. 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:N) Doesn’t really leak secrets in a meaningful 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.	3.9	3.6	[email protected]
7.8	2.0	HIGH	`AV:N/AC:L/Au:N/C:N/I:N/A:C` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:C) Complete availability impact.	10.0	6.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.5

3.1

HIGH

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

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
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:N): No account or special rights needed—anonymous or random user is enough.
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:N): Doesn’t really leak secrets in a meaningful 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.

3.9

3.6

[email protected]

7.5

3.1

HIGH

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

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
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:N): No account or special rights needed—anonymous or random user is enough.
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:N): Doesn’t really leak secrets in a meaningful 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.

3.9

3.6

[email protected]

7.8

2.0

HIGH

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

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:N): No confidentiality impact.
Integrity impact (I:N): No integrity impact.
Availability impact (A:C): Complete availability impact.

10.0

6.9

[email protected]

Affected software / configurations for CVE-2020-11274

Vendor	Product	Version	Raw CPE
qualcomm	aqt1000_firmware	—	cpe:2.3:o:qualcomm:aqt1000_firmware:-:::::::*
qualcomm	csrb31024_firmware	—	cpe:2.3:o:qualcomm:csrb31024_firmware:-:::::::*
qualcomm	fsm10055_firmware	—	cpe:2.3:o:qualcomm:fsm10055_firmware:-:::::::*
qualcomm	fsm10056_firmware	—	cpe:2.3:o:qualcomm:fsm10056_firmware:-:::::::*
qualcomm	pm3003a_firmware	—	cpe:2.3:o:qualcomm:pm3003a_firmware:-:::::::*
qualcomm	pm456_firmware	—	cpe:2.3:o:qualcomm:pm456_firmware:-:::::::*
qualcomm	pm6125_firmware	—	cpe:2.3:o:qualcomm:pm6125_firmware:-:::::::*
qualcomm	pm6150_firmware	—	cpe:2.3:o:qualcomm:pm6150_firmware:-:::::::*
qualcomm	pm6150a_firmware	—	cpe:2.3:o:qualcomm:pm6150a_firmware:-:::::::*
qualcomm	pm6150l_firmware	—	cpe:2.3:o:qualcomm:pm6150l_firmware:-:::::::*
qualcomm	pm6250_firmware	—	cpe:2.3:o:qualcomm:pm6250_firmware:-:::::::*
qualcomm	pm6350_firmware	—	cpe:2.3:o:qualcomm:pm6350_firmware:-:::::::*
qualcomm	pm640a_firmware	—	cpe:2.3:o:qualcomm:pm640a_firmware:-:::::::*
qualcomm	pm640l_firmware	—	cpe:2.3:o:qualcomm:pm640l_firmware:-:::::::*
qualcomm	pm640p_firmware	—	cpe:2.3:o:qualcomm:pm640p_firmware:-:::::::*
qualcomm	pm7150a_firmware	—	cpe:2.3:o:qualcomm:pm7150a_firmware:-:::::::*
qualcomm	pm7150l_firmware	—	cpe:2.3:o:qualcomm:pm7150l_firmware:-:::::::*
qualcomm	pm7250_firmware	—	cpe:2.3:o:qualcomm:pm7250_firmware:-:::::::*
qualcomm	pm7250b_firmware	—	cpe:2.3:o:qualcomm:pm7250b_firmware:-:::::::*
qualcomm	pm8004_firmware	—	cpe:2.3:o:qualcomm:pm8004_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	pm8150_firmware	—	cpe:2.3:o:qualcomm:pm8150_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	pm8350c_firmware	—	cpe:2.3:o:qualcomm:pm8350c_firmware:-:::::::*
qualcomm	pm855_firmware	—	cpe:2.3:o:qualcomm:pm855_firmware:-:::::::*
qualcomm	pm855a_firmware	—	cpe:2.3:o:qualcomm:pm855a_firmware:-:::::::*
qualcomm	pm855b_firmware	—	cpe:2.3:o:qualcomm:pm855b_firmware:-:::::::*
qualcomm	pm855l_firmware	—	cpe:2.3:o:qualcomm:pm855l_firmware:-:::::::*
qualcomm	pm855p_firmware	—	cpe:2.3:o:qualcomm:pm855p_firmware:-:::::::*
qualcomm	pm8998_firmware	—	cpe:2.3:o:qualcomm:pm8998_firmware:-:::::::*
qualcomm	pmc1000h_firmware	—	cpe:2.3:o:qualcomm:pmc1000h_firmware:-:::::::*
qualcomm	pmi632_firmware	—	cpe:2.3:o:qualcomm:pmi632_firmware:-:::::::*
qualcomm	pmi8998_firmware	—	cpe:2.3:o:qualcomm:pmi8998_firmware:-:::::::*
qualcomm	pmk8002_firmware	—	cpe:2.3:o:qualcomm:pmk8002_firmware:-:::::::*
qualcomm	pmk8003_firmware	—	cpe:2.3:o:qualcomm:pmk8003_firmware:-:::::::*
qualcomm	pmk8350_firmware	—	cpe:2.3:o:qualcomm:pmk8350_firmware:-:::::::*
qualcomm	pmm855au_firmware	—	cpe:2.3:o:qualcomm:pmm855au_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	pmx24_firmware	—	cpe:2.3:o:qualcomm:pmx24_firmware:-:::::::*
qualcomm	pmx50_firmware	—	cpe:2.3:o:qualcomm:pmx50_firmware:-:::::::*
qualcomm	pmx55_firmware	—	cpe:2.3:o:qualcomm:pmx55_firmware:-:::::::*
qualcomm	pmx60_firmware	—	cpe:2.3:o:qualcomm:pmx60_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	qat3550_firmware	—	cpe:2.3:o:qualcomm:qat3550_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	qat5533_firmware	—	cpe:2.3:o:qualcomm:qat5533_firmware:-:::::::*
qualcomm	qat5568_firmware	—	cpe:2.3:o:qualcomm:qat5568_firmware:-:::::::*
qualcomm	qbt1500_firmware	—	cpe:2.3:o:qualcomm:qbt1500_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	qca6420_firmware	—	cpe:2.3:o:qualcomm:qca6420_firmware:-:::::::*
qualcomm	qca6421_firmware	—	cpe:2.3:o:qualcomm:qca6421_firmware:-:::::::*
qualcomm	qca6426_firmware	—	cpe:2.3:o:qualcomm:qca6426_firmware:-:::::::*
qualcomm	qca6430_firmware	—	cpe:2.3:o:qualcomm:qca6430_firmware:-:::::::*
qualcomm	qca6431_firmware	—	cpe:2.3:o:qualcomm:qca6431_firmware:-:::::::*
qualcomm	qca6436_firmware	—	cpe:2.3:o:qualcomm:qca6436_firmware:-:::::::*
qualcomm	qca6564au_firmware	—	cpe:2.3:o:qualcomm:qca6564au_firmware:-:::::::*
qualcomm	qca6574a_firmware	—	cpe:2.3:o:qualcomm:qca6574a_firmware:-:::::::*
qualcomm	qca6574au_firmware	—	cpe:2.3:o:qualcomm:qca6574au_firmware:-:::::::*
qualcomm	qca6584au_firmware	—	cpe:2.3:o:qualcomm:qca6584au_firmware:-:::::::*
qualcomm	qca6595au_firmware	—	cpe:2.3:o:qualcomm:qca6595au_firmware:-:::::::*

References for CVE-2020-11274

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

URL

CVE-2020-11274

Exploit prediction scoring system (EPSS) score for CVE-2020-11274

Common vulnerability scoring system (CVSS) metrics for CVE-2020-11274

Weakness enumeration for CVE-2020-11274

Affected software / configurations for CVE-2020-11274

References for CVE-2020-11274