What is the severity of CVE-2021-30331?

CVE-2021-30331 has been classified with a high severity due to the potential for a buffer overflow leading to arbitrary code execution.

How do I fix CVE-2021-30331?

To fix CVE-2021-30331, ensure you update the affected Qualcomm devices with the latest firmware patches provided by the manufacturer.

Which devices are affected by CVE-2021-30331?

CVE-2021-30331 affects various Qualcomm devices across Snapdragon Auto, Snapdragon Mobile, and other product lines.

What types of attacks can exploit CVE-2021-30331?

Exploitations of CVE-2021-30331 can lead to remote attacks allowing attackers to execute arbitrary code on vulnerable devices.

When was CVE-2021-30331 disclosed?

CVE-2021-30331 was disclosed in March 2022 as part of a security bulletin by Qualcomm.

Vulnerability/
CVE-2021-30331

medium

5.5

CWE

120 119

1/4/2022

3/8/2024

CVE-2021-30331: Buffer Overflow

First published: Fri Apr 01 2022(Updated: )

Possible buffer overflow due to improper data validation of external commands sent via DIAG interface in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Credit: product-security@qualcomm.com

Affected Software	Affected Version	How to fix
Qualcomm AR8035 Firmware
Qualcomm AR8035 Firmware
Qualcomm FSM10055
Qualcomm FSM10055 Firmware
Qualcomm FSM10056
Qualcomm fsm10056 firmware
Qualcomm MDM9150 firmware
Qualcomm MDM9150 firmware
Qualcomm MDM9650
Qualcomm MDM9650 firmware
Qualcomm QCA6174A Firmware
Qualcomm QCA6174A Firmware
Qualcomm QCA6390 Firmware
Qualcomm QCA6390 Firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6426 Firmware
Qualcomm QCA6426 Firmware
Qualcomm QCA6436 Firmware
Qualcomm QCA6436 Firmware
Qualcomm QCA8081 firmware
Qualcomm QCA8081 firmware
Qualcomm QCA8337 Firmware
Qualcomm QCA8337 Firmware
Qualcomm QCA9377 Firmware
Qualcomm QCA9377 Firmware
Qualcomm QCM2290
Qualcomm QCM2290 Firmware
Qualcomm QCM4290
Qualcomm QCM4290 Firmware
Qualcomm QCM6125
Qualcomm qcm6125 firmware
Qualcomm QCM6490
Qualcomm QCM6490 Firmware
Qualcomm QCS2290
Qualcomm QCS2290 Firmware
Qualcomm QCS410 Firmware
Qualcomm QCS410 Firmware
Qualcomm QCS4290 Firmware
Qualcomm QCS4290 Firmware
Qualcomm QCS610 Firmware
Qualcomm QCS610 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QCS6490 Firmware
Qualcomm QCS6490 Firmware
Qualcomm QCX315 Firmware
Qualcomm QCX315
Qualcomm SD 675 Firmware
Qualcomm Snapdragon 675
Qualcomm Snapdragon 8 Gen 1 Firmware
Qualcomm SM8475P
Qualcomm SD460 Firmware
Qualcomm SD460 Firmware
Qualcomm SD 480 Firmware
Qualcomm Snapdragon 480
Qualcomm SD662 Firmware
Qualcomm SD662 Firmware
Qualcomm Snapdragon 665
Qualcomm Snapdragon 665
Qualcomm SD 675 Firmware
Qualcomm Snapdragon 675
Qualcomm SD678 Firmware
Qualcomm SD678 Firmware
Qualcomm Snapdragon 690 5G Firmware
Qualcomm Snapdragon 690 5G Firmware
Qualcomm Snapdragon 720G Firmware
Qualcomm SD720G Firmware
Qualcomm SD 730 Firmware
Qualcomm Snapdragon 730
Qualcomm SD750G Firmware
Qualcomm Snapdragon 750G
Qualcomm SD765 Firmware
Qualcomm Snapdragon 765
Qualcomm SD765 Firmware
Qualcomm Snapdragon 765G
Qualcomm SD768G Firmware
Qualcomm SD768G Firmware
Qualcomm SD778G Firmware
Qualcomm SD778G
Qualcomm Snapdragon 865 5G Firmware
Qualcomm Snapdragon 865 5G Firmware
Qualcomm SD870
Qualcomm SD870 Firmware
Qualcomm Snapdragon 888 5G Firmware
Qualcomm Snapdragon 888 5G
Qualcomm SDX55M Firmware
Qualcomm SDX55 Firmware
Qualcomm SDX55M Firmware
Qualcomm SDX55M Firmware
Qualcomm SDX65
Qualcomm SDX65M
Qualcomm SDXR2 5G Firmware
Qualcomm SDXR2 5G Firmware
Qualcomm SM6225
Qualcomm SM6225-AD Firmware
Qualcomm SM6250P Firmware
Qualcomm SM6250 Firmware
Qualcomm SM6250 Firmware
Qualcomm SM6250P Firmware
qualcomm sm6375
qualcomm sm6375 firmware
Qualcomm SM7250 Firmware
Qualcomm SM7250
Qualcomm SM7325P Firmware
Qualcomm SM7325P Firmware
Qualcomm SW5100P
Qualcomm SW5100P
Qualcomm SW5100 Firmware
Qualcomm SW5100 Firmware
Qualcomm WCD9335 Firmware
Qualcomm WCD9335 Firmware
Qualcomm WCD9341
Qualcomm WCD9341 Firmware
Qualcomm WCD9370 Firmware
Qualcomm WCD9370 Firmware
Qualcomm WCD9375
Qualcomm WCD9375 Firmware
Qualcomm WCD9380
Qualcomm WCD9380 Firmware
Qualcomm WCD9385
Qualcomm WCD9385 Firmware
Qualcomm WCN3910 Firmware
Qualcomm WCN3910 Firmware
Qualcomm WCN3950 Firmware
Qualcomm WCN3950 Firmware
Qualcomm Wcn3980
qualcomm wcn3980 firmware
qualcomm wcn3988 firmware
Qualcomm WCN3988
Qualcomm WCN3990
Qualcomm WCN3990
Qualcomm WCN3991 Firmware
Qualcomm WCN3991 Firmware
Qualcomm wcn3998 firmware
Qualcomm wcn3998 firmware
qualcomm wcn6750 firmware
qualcomm wcn6750 firmware
Qualcomm WCN6850 Firmware
Qualcomm WCN6850 Firmware
Qualcomm WCN6851 Firmware
Qualcomm WCN6851 Firmware
Qualcomm WCN6855 Firmware
Qualcomm WCN6855 Firmware
Qualcomm WCN6856 Firmware
Qualcomm WCN6856
Qualcomm WSA8810
Qualcomm WSA8810 Firmware
qualcomm wsa8815 firmware
qualcomm wsa8815 firmware
Qualcomm WSA8830
Qualcomm WSA8830
Qualcomm WSA8835
Qualcomm WSA8835 Firmware

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Reference Links

https://www.qualcomm.com/company/product-security/bulletins/march-2022-bulletin

Frequently Asked Questions

What is the severity of CVE-2021-30331?
CVE-2021-30331 has been classified with a high severity due to the potential for a buffer overflow leading to arbitrary code execution.
How do I fix CVE-2021-30331?
To fix CVE-2021-30331, ensure you update the affected Qualcomm devices with the latest firmware patches provided by the manufacturer.
Which devices are affected by CVE-2021-30331?
CVE-2021-30331 affects various Qualcomm devices across Snapdragon Auto, Snapdragon Mobile, and other product lines.
What types of attacks can exploit CVE-2021-30331?
Exploitations of CVE-2021-30331 can lead to remote attacks allowing attackers to execute arbitrary code on vulnerable devices.
When was CVE-2021-30331 disclosed?
CVE-2021-30331 was disclosed in March 2022 as part of a security bulletin by Qualcomm.