What is the severity of CVE-2021-1931?

CVE-2021-1931 has been classified as a critical vulnerability due to the potential for buffer overflow.

How do I fix CVE-2021-1931?

To mitigate CVE-2021-1931, users should update their devices to the latest firmware provided by Qualcomm or their device manufacturer.

What products are affected by CVE-2021-1931?

CVE-2021-1931 affects various Qualcomm products including firmware for Snapdragon Auto, Snapdragon Mobile, and other Snapdragon variants.

What type of attack can exploit CVE-2021-1931?

An attacker may exploit CVE-2021-1931 through crafted fast boot commands that can lead to arbitrary code execution.

Is there a patch available for CVE-2021-1931?

Yes, patches for CVE-2021-1931 have been released, and affected users should ensure they have applied these updates.

Vulnerability/
CVE-2021-1931

high

7.2

CWE

120 119

7/7/2021

13/7/2021

3/8/2024

CVE-2021-1931: Buffer Overflow

First published: Wed Jul 07 2021(Updated: )

Possible buffer overflow due to improper validation of buffer length while processing fast boot commands in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

Credit: product-security@qualcomm.com

Affected Software	Affected Version	How to fix
Android
Qualcomm AQT1000 Firmware
Qualcomm AQT1000 Firmware
Qualcomm AR8031
Qualcomm AR8031 Firmware
Qualcomm AR8035 Firmware
Qualcomm AR8035 Firmware
Qualcomm CSRA6620
Qualcomm CSRA6620
Qualcomm CSRA6640 Firmware
Qualcomm csra6640 firmware
Qualcomm CSRB31024 Firmware
Qualcomm CSRB31024 Firmware
Qualcomm FSM10055
Qualcomm FSM10055 Firmware
Qualcomm FSM10056 Firmware
Qualcomm FSM10056 Firmware
Qualcomm QCA6174A Firmware
Qualcomm QCA6174A Firmware
Qualcomm QCA6310 Firmware
Qualcomm QCA6310 Firmware
Qualcomm QCA6320 Firmware
Qualcomm QCA6320 Firmware
Qualcomm QCA6335 Firmware
Qualcomm QCA6335 Firmware
Qualcomm QCA6390 Firmware
Qualcomm QCA6390 Firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6420 Firmware
Qualcomm QCA6420 Firmware
Qualcomm QCA6421 Firmware
Qualcomm QCA6421 Firmware
Qualcomm QCA6426 Firmware
Qualcomm QCA6426 Firmware
Qualcomm QCA6430 firmware
Qualcomm QCA6430 firmware
Qualcomm QCA6431 Firmware
Qualcomm QCA6431
Qualcomm QCA6436 Firmware
Qualcomm QCA6436 Firmware
Qualcomm QCA6564A
Qualcomm QCA6564 Firmware
Qualcomm QCA6564A
Qualcomm QCA6564A Firmware
Qualcomm QCA6564AU Firmware
Qualcomm QCA6564A
Qualcomm QCA6574 Firmware
Qualcomm QCA6574 Firmware
Qualcomm QCA6574A Firmware
qualcomm qca6574a firmware
Qualcomm QCA6574 Firmware
Qualcomm QCA6574AU
Qualcomm QCA6584AU Firmware
Qualcomm QCA6584AU firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6696 Firmware
Qualcomm QCA6696 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 Firmware
Qualcomm QCM6125 Firmware
Qualcomm QCS2290
Qualcomm QCS2290 Firmware
Qualcomm QCS405 Firmware
Qualcomm QCS405 Firmware
Qualcomm QCS410 Firmware
Qualcomm QCS410 Firmware
Qualcomm QCS4290 Firmware
Qualcomm QCS4290 Firmware
Qualcomm QCS603
Qualcomm QCS603 Firmware
Qualcomm QCS605
Qualcomm QCS605 Firmware
Qualcomm QCS610 Firmware
Qualcomm QCS610 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QCS6125 Firmware
Qualcomm SA415M Firmware
Qualcomm SA415M Firmware
Qualcomm SA6145P Firmware
Qualcomm SA6145P Firmware
Qualcomm SA6150P Firmware
Qualcomm SA6150P Firmware
Qualcomm SA6155
Qualcomm SA6155 Firmware
Qualcomm SA6155
Qualcomm SA6155P
Qualcomm SA8145P
Qualcomm SA8145P Firmware
Qualcomm SA8150P Firmware
Qualcomm SA8150P Firmware
Qualcomm SA8155P Firmware
Qualcomm SA8155 Firmware
Qualcomm SA8155
Qualcomm SA8155P Firmware
Qualcomm SA8195P
Qualcomm SA8195P Firmware
Qualcomm SDM636 Firmware
Qualcomm Snapdragon 636
Qualcomm SD 675 Firmware
Qualcomm Snapdragon 675
Qualcomm SD 8C Firmware
Qualcomm Snapdragon 8c
Qualcomm SD 8cx firmware
Qualcomm Snapdragon 8cx
Qualcomm SD460 Firmware
Qualcomm SD460 Firmware
Qualcomm SD 480 Firmware
Qualcomm Snapdragon 480
Qualcomm Snapdragon 660 Firmware
Qualcomm Snapdragon 660
Qualcomm SD662 Firmware
Qualcomm SD662 Firmware
Qualcomm Snapdragon 665
Qualcomm Snapdragon 665
Qualcomm SD 670
Qualcomm SD 670
Qualcomm SD 675 Firmware
Qualcomm Snapdragon 675
Qualcomm SD678 Firmware
Qualcomm SD678 Firmware
Qualcomm Snapdragon 690 5G Firmware
Qualcomm Snapdragon 690 5G Firmware
Qualcomm SDM710 Firmware
Qualcomm SD710 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 SD768 Firmware
Qualcomm SD768G Firmware
Qualcomm SD778G Firmware
Qualcomm Snapdragon 778G
Qualcomm Snapdragon 780G Firmware
Qualcomm Snapdragon 780G
Qualcomm Snapdragon 835
Qualcomm Snapdragon 835
Qualcomm SDA845 Firmware
Qualcomm Snapdragon 845
Qualcomm Snapdragon 855
Qualcomm Snapdragon 855
Qualcomm Snapdragon 865 5G Firmware
Qualcomm Snapdragon 865 5G Firmware
Qualcomm SD870
Qualcomm Snapdragon 870
Qualcomm Snapdragon 888 Firmware
Qualcomm Snapdragon 888 Firmware
Qualcomm Snapdragon 888 5G Firmware
Qualcomm Snapdragon 888 5G
Qualcomm SDM630
Qualcomm SDM630 Firmware
Qualcomm SDM830 Firmware
Qualcomm Snapdragon 830
Qualcomm SDX24
Qualcomm SDX24
Qualcomm SDX50M Firmware
Qualcomm SDX50M Firmware
Qualcomm SDX55M Firmware
Qualcomm SDX55 Firmware
Qualcomm SDX55M Firmware
Qualcomm SDX55M Firmware
Qualcomm SDXR1
Qualcomm SDXR1 Firmware
Qualcomm SDXR2 5G Firmware
Qualcomm SDXR2 5G Firmware
Qualcomm SM4125
Qualcomm SM4125 Firmware
Qualcomm SM6250P Firmware
Qualcomm SM6250 Firmware
Qualcomm SM6250 Firmware
Qualcomm SM6250P Firmware
Qualcomm SM7250 Firmware
Qualcomm SM7250
Qualcomm SM7315
Qualcomm SM7315 Firmware
Qualcomm SM7325P Firmware
Qualcomm SM7325P Firmware
Qualcomm WCD9326
Qualcomm WCD9326 Firmware
Qualcomm WCD9335 Firmware
Qualcomm WCD9335 Firmware
Qualcomm WCD9340 Firmware
Qualcomm WCD9340 Firmware
Qualcomm WCD9341
Qualcomm WCD9341 Firmware
Qualcomm WCD9370 Firmware
Qualcomm WCD9370 Firmware
Qualcomm WCD9371 Firmware
Qualcomm WCD9371 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
Qualcomm WCN3988 Firmware
Qualcomm WCN3988 Firmware
Qualcomm WCN3990
Qualcomm WCN3990
Qualcomm WCN3991 Firmware
Qualcomm WCN3991 Firmware
Qualcomm WCN3998 Firmware
Qualcomm wcn3998 firmware
Qualcomm WCN3999 Firmware
Qualcomm WCN3999 Firmware
Qualcomm WCN6740 Firmware
Qualcomm WCN6740 Firmware
Qualcomm WCN6750 Firmware
Qualcomm WCN6750 Firmware
Qualcomm WCN6850 Firmware
Qualcomm WCN6850 Firmware
Qualcomm WCN6851 Firmware
Qualcomm WCN6851 Firmware
Qualcomm WCN6856 Firmware
Qualcomm WCN6856 Firmware
Qualcomm WSA8810
Qualcomm WSA8810 Firmware
Qualcomm WSA8815 Firmware
Qualcomm WSA8815 Firmware
Qualcomm WSA8830
Qualcomm WSA8830
Qualcomm WSA8835
Qualcomm WSA8835 Firmware

Remedy

https://www.qualcomm.com/company/product-security/bulletins/july-2021-bulletin

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-1931?
CVE-2021-1931 has been classified as a critical vulnerability due to the potential for buffer overflow.
How do I fix CVE-2021-1931?
To mitigate CVE-2021-1931, users should update their devices to the latest firmware provided by Qualcomm or their device manufacturer.
What products are affected by CVE-2021-1931?
CVE-2021-1931 affects various Qualcomm products including firmware for Snapdragon Auto, Snapdragon Mobile, and other Snapdragon variants.
What type of attack can exploit CVE-2021-1931?
An attacker may exploit CVE-2021-1931 through crafted fast boot commands that can lead to arbitrary code execution.
Is there a patch available for CVE-2021-1931?
Yes, patches for CVE-2021-1931 have been released, and affected users should ensure they have applied these updates.