CVE-2021-30309
Improper size validation of QXDM commands can lead to memory corruption in Snapdragon Compute,...
Improper size validation of QXDM commands can lead to memory corruption in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.8
Improper size validation of QXDM commands can lead to memory corruption in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
- Record
CVE-2021-30309- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2021-17240
7.8
Improper size validation of QXDM commands can lead to memory corruption in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
- Record
EUVD-2021-17240- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cwg8-4j87-pp8g No score
Improper size validation of QXDM commands can lead to memory corruption in Snapdragon Compute,...
Improper size validation of QXDM commands can lead to memory corruption in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
- Record
GHSA-cwg8-4j87-pp8g- Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
7.8
Improper size validation of QXDM commands can lead to memory corruption in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
- Record
CVE-2021-30309- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
- qualcomm, inc. snapdragon compute, snapdragon consumer iot, snapdragon industrial iot, snapdragon mobile
- qualcomm mdm9650 firmware
- qualcomm qca6174a firmware
- qualcomm qca6390 firmware
- qualcomm qca6391 firmware
- qualcomm qca9377 firmware
- qualcomm qcm6125 firmware
- qualcomm qcs410 firmware
- qualcomm qcs603 firmware
- qualcomm qcs605 firmware
- qualcomm qcs610 firmware
- qualcomm qcs6125 firmware
Show 32 moreShow less
- qualcomm sd660 firmware
- qualcomm sd665 firmware
- qualcomm sd690 5g firmware
- qualcomm sd730 firmware
- qualcomm sd765 firmware
- qualcomm sd765g firmware
- qualcomm sd768g firmware
- qualcomm sd865 5g firmware
- qualcomm sd870 firmware
- qualcomm sdx12 firmware
- qualcomm sdx55m firmware
- qualcomm sdxr1 firmware
- qualcomm sm7250p firmware
- qualcomm wcd9326 firmware
- qualcomm wcd9335 firmware
- qualcomm wcd9341 firmware
- qualcomm wcd9370 firmware
- qualcomm wcd9375 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcn3950 firmware
- qualcomm wcn3980 firmware
- qualcomm wcn3988 firmware
- qualcomm wcn3990 firmware
- qualcomm wcn3991 firmware
- qualcomm wcn3998 firmware
- qualcomm wcn6850 firmware
- qualcomm wcn6851 firmware
- qualcomm wsa8810 firmware
- qualcomm wsa8815 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8835 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30309 is a high vulnerability (CVSS 7.8) in Qualcomm, Inc. Snapdragon Compute, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Mobile, published February 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. No source names a fixed version.