CVE-2021-30339
Reading PRNG output may lead to improper key generation due to lack of buffer validation in...
Reading PRNG output may lead to improper key generation due to lack of buffer validation in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Reading PRNG output may lead to improper key generation due to lack of buffer validation in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking
- Record
CVE-2021-30339- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N - Updated
- 2026-11-02
EUVDEUVD-2021-17270
Reading PRNG output may lead to improper key generation due to lack of buffer validation in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking
- Record
EUVD-2021-17270- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vpff-g924-ggj6
Reading PRNG output may lead to improper key generation due to lack of buffer validation in...
Reading PRNG output may lead to improper key generation due to lack of buffer validation in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking
- Record
GHSA-vpff-g924-ggj6- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
NVD
Reading PRNG output may lead to improper key generation due to lack of buffer validation in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking
- Record
CVE-2021-30339- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:C/I:N/A:N - Updated
- 2026-11-02
Affected products
- qualcomm, inc. snapdragon connectivity, snapdragon industrial iot, snapdragon mobile, snapdragon wearables, snapdragon wired infrastructure and networking
- qualcomm ar8035 firmware
- qualcomm qca6391 firmware
- qualcomm qca8081 firmware
- qualcomm qca8337 firmware
- qualcomm qca9984 firmware
- qualcomm qcm2290 firmware
- qualcomm qcm4290 firmware
- qualcomm qcm6490 firmware
- qualcomm qcs2290 firmware
- qualcomm qcs405 firmware
- qualcomm qcs4290 firmware
Show 44 moreShow less
- qualcomm qcs6490 firmware
- qualcomm sd460 firmware
- qualcomm sd480 firmware
- qualcomm sd662 firmware
- qualcomm sd680 firmware
- qualcomm sd690 5g firmware
- qualcomm sd750g firmware
- qualcomm sd765 firmware
- qualcomm sd765g firmware
- qualcomm sd768g firmware
- qualcomm sd778g firmware
- qualcomm sd780g firmware
- qualcomm sd888 5g firmware
- qualcomm sd888 firmware
- qualcomm sd 8 gen1 5g firmware
- qualcomm sdx57m firmware
- qualcomm sdx65 firmware
- qualcomm sm6375 firmware
- qualcomm sm7250p firmware
- qualcomm sm7315 firmware
- qualcomm sm7325p firmware
- qualcomm sw5100 firmware
- qualcomm sw5100p firmware
- qualcomm wcd9370 firmware
- qualcomm wcd9375 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcn3910 firmware
- qualcomm wcn3950 firmware
- qualcomm wcn3980 firmware
- qualcomm wcn3988 firmware
- qualcomm wcn3991 firmware
- qualcomm wcn3998 firmware
- qualcomm wcn3999 firmware
- qualcomm wcn6740 firmware
- qualcomm wcn6750 firmware
- qualcomm wcn6850 firmware
- qualcomm wcn6851 firmware
- qualcomm wcn6855 firmware
- qualcomm wcn6856 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-2021-30339 is a critical vulnerability (CVSS 9.0) in Qualcomm, Inc. Snapdragon Connectivity, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure And Networking, published June 14, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 5th percentile. No source names a fixed version.