What is the severity of CVE-2021-1981?

CVE-2021-1981 has been categorized as a moderate severity vulnerability.

How do I fix CVE-2021-1981?

To fix CVE-2021-1981, ensure that your device firmware is updated to the latest version provided by the manufacturer.

What devices are affected by CVE-2021-1981?

CVE-2021-1981 affects various Qualcomm chipsets including those used in Android and other Qualcomm firmware products.

What type of vulnerability is CVE-2021-1981?

CVE-2021-1981 is a buffer over-read vulnerability that occurs due to improper size checking.

Can CVE-2021-1981 be exploited remotely?

Yes, CVE-2021-1981 can potentially be exploited by an attacker if they can interact with the affected device during a network setup.

Vulnerability/
CVE-2021-1981

critical

9.1

CWE

125

1/11/2021

12/11/2021

26/8/2024

CVE-2021-1981

First published: Mon Nov 01 2021(Updated: )

Possible buffer over read due to improper IE size check of Bearer capability IE in MT setup request from network in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

Credit: product-security@qualcomm.com

Affected Software	Affected Version	How to fix
Android
Qualcomm APQ8017
Qualcomm APQ8017
Qualcomm AR8035 Firmware
Qualcomm AR8035 Firmware
Qualcomm MSM8917
Qualcomm MSM8917 Firmware
Qualcomm QCA6390 Firmware
Qualcomm QCA6390 Firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6421 Firmware
Qualcomm QCA6421 Firmware
Qualcomm QCA6426 Firmware
Qualcomm QCA6426 Firmware
Qualcomm QCA6431 Firmware
Qualcomm QCA6431
Qualcomm QCA6436 Firmware
Qualcomm QCA6436 Firmware
Qualcomm QCA6574A Firmware
qualcomm qca6574a firmware
Qualcomm QCA6574 Firmware
Qualcomm QCA6574AU
Qualcomm QCA6595AU Firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6696 Firmware
Qualcomm QCA6696 Firmware
Qualcomm QCA8081 firmware
Qualcomm QCA8081 firmware
Qualcomm QCA8337 Firmware
Qualcomm QCA8337 Firmware
Qualcomm QCM6125 Firmware
Qualcomm QCM6125 Firmware
Qualcomm QCM6490
Qualcomm QCM6490 Firmware
Qualcomm QCS410 Firmware
Qualcomm QCS410 Firmware
Qualcomm QCS610 Firmware
Qualcomm QCS610 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QCS6490 Firmware
Qualcomm QCS6490 Firmware
Qualcomm 315 5G Firmware
Qualcomm QCX315 Firmware
Qualcomm SM8350 Firmware
Qualcomm QSM8350 Firmware
Qualcomm 215 Mobile Firmware
Qualcomm 215 Firmware
Qualcomm SA515M Firmware
Qualcomm SA515M Firmware
Qualcomm SD 675 Firmware
Qualcomm Snapdragon 675
Qualcomm 205 Firmware
Qualcomm Snapdragon 205
Qualcomm SD 210 Firmware
Qualcomm SD210 Firmware
Qualcomm SD429
Qualcomm SD429 Firmware
Qualcomm SDM439 Firmware
Qualcomm Snapdragon 439
Qualcomm SD 480 Firmware
Qualcomm Snapdragon 480
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 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 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 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 SM6250P Firmware
Qualcomm SM6250 Firmware
Qualcomm SM6250 Firmware
Qualcomm SM6250P Firmware
Qualcomm SM6375 Firmware
Qualcomm SM6375 Firmware
Qualcomm SSM7250-AA Firmware
Qualcomm SSM7250-AA Firmware
Qualcomm SM7325-AE Firmware
Qualcomm SM7325 Firmware
Qualcomm SM8450
Qualcomm SM8450 Firmware
Qualcomm SM8450
Qualcomm SM8450
Qualcomm WCD9326
Qualcomm WCD9326 Firmware
Qualcomm WCD9340 Firmware
Qualcomm WCD9340 Firmware
Qualcomm WCD9341
Qualcomm WCD9341 Firmware
Qualcomm WCD9360 Firmware
Qualcomm WCD9360 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 WCN3610 Firmware
Qualcomm WCN3610 Firmware
Qualcomm WCN3615 Firmware
Qualcomm WCN3615 Firmware
Qualcomm WCN3660B
Qualcomm WCN3660B Firmware
Qualcomm WCN3680B Firmware
Qualcomm WCN3680B 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 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 Firmware
Qualcomm WCN7850 Firmware
Qualcomm WCN7850 Firmware
Qualcomm WCN7851
Qualcomm WCN7851 Firmware
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

Frequently Asked Questions

What is the severity of CVE-2021-1981?
CVE-2021-1981 has been categorized as a moderate severity vulnerability.
How do I fix CVE-2021-1981?
To fix CVE-2021-1981, ensure that your device firmware is updated to the latest version provided by the manufacturer.
What devices are affected by CVE-2021-1981?
CVE-2021-1981 affects various Qualcomm chipsets including those used in Android and other Qualcomm firmware products.
What type of vulnerability is CVE-2021-1981?
CVE-2021-1981 is a buffer over-read vulnerability that occurs due to improper size checking.
Can CVE-2021-1981 be exploited remotely?
Yes, CVE-2021-1981 can potentially be exploited by an attacker if they can interact with the affected device during a network setup.