CVE-2021-1956

Improper handling of ASB-U packet with L2CAP channel ID by slave host can lead to interference with piconet in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

CVSS 6.5 · Medium

External lookup

Potential internet exposure

Potential exposure only — not proof of vulnerability.Shodan results indicate potentially internet-exposed products, not confirmed vulnerable systems. They do not confirm that any returned system is vulnerable to CVE-2021-1956.

Product-level CPE searches intentionally omit version fields and NVD version-range or configuration certainty. Verify the exact product version and configuration independently.

Sign-in required. Shodan requires you to sign in to run these filter searches.

Product CPE queries

Derived from this CVE's existing NVD CPE 2.3 records; the application, operating-system, or hardware part is retained.

cpe:2.3:h:qualcomm:aqt1000Search this product on Shodan
cpe:2.3:o:qualcomm:aqt1000_firmwareSearch this product on Shodan
cpe:2.3:h:qualcomm:ar8035Search this product on Shodan
cpe:2.3:o:qualcomm:ar8035_firmwareSearch this product on Shodan
cpe:2.3:h:qualcomm:csrb31024Search this product on Shodan
cpe:2.3:o:qualcomm:csrb31024_firmwareSearch this product on Shodan
cpe:2.3:h:qualcomm:qca6175aSearch this product on Shodan
cpe:2.3:o:qualcomm:qca6175a_firmwareSearch this product on Shodan
cpe:2.3:h:qualcomm:qca6390Search this product on Shodan
cpe:2.3:o:qualcomm:qca6390_firmwareSearch this product on Shodan
cpe:2.3:h:qualcomm:qca6391Search this product on Shodan
cpe:2.3:o:qualcomm:qca6391_firmwareSearch this product on Shodan
cpe:2.3:h:qualcomm:qca6420Search this product on Shodan
cpe:2.3:o:qualcomm:qca6420_firmwareSearch this product on Shodan
cpe:2.3:h:qualcomm:qca6430Search this product on Shodan
cpe:2.3:o:qualcomm:qca6430_firmwareSearch this product on Shodan
cpe:2.3:h:qualcomm:qca6564aSearch this product on Shodan
cpe:2.3:o:qualcomm:qca6564a_firmwareSearch this product on Shodan
cpe:2.3:h:qualcomm:qca6564auSearch this product on Shodan
cpe:2.3:o:qualcomm:qca6564au_firmwareSearch this product on Shodan
cpe:2.3:h:qualcomm:qca6574Search this product on Shodan
cpe:2.3:o:qualcomm:qca6574_firmwareSearch this product on Shodan
cpe:2.3:h:qualcomm:qca6574aSearch this product on Shodan
cpe:2.3:o:qualcomm:qca6574a_firmwareSearch this product on Shodan
cpe:2.3:o:qualcomm:qca6574au_firmwareSearch this product on Shodan

Exact CVE query

Eligible paid Shodan plan required

Shodan's exact vuln: filter is separate from the product searches above and requires an eligible paid Shodan plan.

vuln:CVE-2021-1956Search this CVE on Shodan

These are outbound search links only. cvebuzz makes no Shodan API call, uses no Shodan API key, and does not display live result counts.

Metadata

Canonical fields

NVD status

Unavailable

Published

Sep 9, 2021

Modified

Jun 17, 2026

Official record

Authoritative NVD record

CVSS vector

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

CWE IDs

Unavailable

Vendor classifications

How this vector reads

CVSS 3.1 base metrics decoded below. This explanation does not recalculate or change the NVD score.

Attack Vector (AV): Adjacent. The attacker must reach the same or an adjacent network.
Attack Complexity (AC): Low. No special conditions beyond the attacker-controlled steps are required.
Privileges Required (PR): None. The attacker needs no privileges on the vulnerable system.
User Interaction (UI): None. Exploitation does not require another user to act.
Scope (S): Unchanged. Impacts remain within the vulnerable security authority.
Confidentiality Impact (C): None. There is no direct impact to this security property.
Integrity Impact (I): None. There is no direct impact to this security property.
Availability Impact (A): High. There is a total or serious impact to this security property.

Signals

Exploitation indicators

0 stored signals · no KEV · 0 OTX pulses