CVE-2021-1956
Improper handling of ASB-U packet with L2CAP channel ID by slave host can lead to interference...
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
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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
- Record
CVE-2021-1956- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
EUVDEUVD-2021-7420
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
- Record
EUVD-2021-7420- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w32f-37w4-xj86No score
Improper handling of ASB-U packet with L2CAP channel ID by slave host can lead to interference...
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
- Record
GHSA-w32f-37w4-xj86- Updated
- 2026-11-02
NVD
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
- Record
CVE-2021-1956- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 3.3 Low
AV:A/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
Affected products
- qualcomm, inc. snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon consumer electronics connectivity, snapdragon industrial iot, snapdragon mobile, snapdragon voice & music
- qualcomm aqt1000 firmware
- qualcomm ar8035 firmware
- qualcomm csrb31024 firmware
- qualcomm qca6175a firmware
- qualcomm qca6390 firmware
- qualcomm qca6391 firmware
- qualcomm qca6420 firmware
- qualcomm qca6430 firmware
- qualcomm qca6564a firmware
- qualcomm qca6564au firmware
- qualcomm qca6574 firmware
Show 31 moreShow less
- qualcomm qca6574a firmware
- qualcomm qca6574au firmware
- qualcomm qca6584au firmware
- qualcomm qca6595 firmware
- qualcomm qca6595au firmware
- qualcomm qca6696 firmware
- qualcomm qca8337 firmware
- qualcomm qcn7605 firmware
- qualcomm qcn7606 firmware
- qualcomm qcx315 firmware
- qualcomm sa415m firmware
- qualcomm sa515m firmware
- qualcomm sa6145p firmware
- qualcomm sa6150p firmware
- qualcomm sa6155 firmware
- qualcomm sa6155p firmware
- qualcomm sa8145p firmware
- qualcomm sa8150p firmware
- qualcomm sa8155 firmware
- qualcomm sa8155p firmware
- qualcomm sa8195p firmware
- qualcomm sc8180x\+sdx55 firmware
- qualcomm sd 8c firmware
- qualcomm sd 8cx firmware
- qualcomm sdx55 firmware
- qualcomm wcd9340 firmware
- qualcomm wcd9341 firmware
- qualcomm wcd9360 firmware
- qualcomm wcn3998 firmware
- qualcomm wsa8810 firmware
- qualcomm wsa8815 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-1956 is a medium vulnerability (CVSS 6.5) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Voice & Music, published September 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 14th percentile. No source names a fixed version.