CVE-2021-35123
Buffer copy in GATT multi notification due to improper length check for the data coming over-the...
Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT
- Record
CVE-2021-35123- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2021-21767
Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT
- Record
EUVD-2021-21767- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-88pj-4633-qpww
Buffer copy in GATT multi notification due to improper length check for the data coming over-the...
Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT
- Record
GHSA-88pj-4633-qpww- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT
- Record
CVE-2021-35123- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 8.3 High
AV:A/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
Affected products
- qualcomm, inc. snapdragon connectivity, snapdragon industrial iot
- qualcomm aqt1000 firmware
- qualcomm qca6390 firmware
- qualcomm qca6391 firmware
- qualcomm sd480 firmware
- qualcomm sd660 firmware
- qualcomm sd778g firmware
- qualcomm sd780g firmware
- qualcomm sd855 firmware
- qualcomm sd865 5g firmware
- qualcomm sd870 firmware
- qualcomm sd888 5g firmware
Show 21 moreShow less
- qualcomm sd 8 gen1 5g firmware
- qualcomm sdx55m firmware
- qualcomm sm6375 firmware
- qualcomm sm7325p firmware
- qualcomm wcd9335 firmware
- qualcomm wcd9370 firmware
- qualcomm wcd9375 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcn3980 firmware
- qualcomm wcn3988 firmware
- qualcomm wcn3991 firmware
- qualcomm wcn3998 firmware
- qualcomm wcn6740 firmware
- qualcomm wcn6750 firmware
- qualcomm wcn6850 firmware
- qualcomm wcn6851 firmware
- qualcomm wcn6855 firmware
- qualcomm wcn6856 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8835 firmware
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/vendor/qcom-opensource/system/btAndroid |
SoCVersion:0 up to SoCVersion:2022-04-05, plus listed versions SoCVersion |
SoCVersion:2022-04-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-35123 is a high vulnerability (CVSS 8.8) in Qualcomm, Inc. Snapdragon Connectivity, Snapdragon Industrial Iot, published April 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. Fixed in platform/vendor/qcom-opensource/system/bt SoCVersion:2022-04-05.
References
qualcomm.com/company/product-security/bulletins/april-2022-bulletin
nvd.nist.gov/vuln/detail/CVE-2021-35123
github.com/advisories/GHSA-88pj-4633-qpww
source.android.com/security/bulletin/2022-04-01
source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/system/bt/commit?id=2ea716990f7978683deb30eb6b791205d1206c59