CWE
191
Advisory Published
CVE Published
Updated

CVE-2021-1920: Integer Underflow

First published: Mon Aug 02 2021(Updated: )

Integer underflow can occur due to improper handling of incoming RTCP packets in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables

Credit: product-security@qualcomm.com

Affected SoftwareAffected VersionHow to fix
Android
Qualcomm APQ8009W Firmware
Qualcomm APQ8009 Firmware
Qualcomm PQ8009 Firmware
Qualcomm APQ8009
Qualcomm APQ8017
Qualcomm APQ8017
Qualcomm APQ8037 Firmware
qualcomm apq8037 firmware
Qualcomm APQ8053
Qualcomm APQ8053 Firmware
Qualcomm APQ8084 Firmware
Samsung APQ8084
Qualcomm APQ8096AU Firmware
Qualcomm APQ8096AU Firmware
Qualcomm AQT1000 Firmware
Qualcomm AQT1000 Firmware
Qualcomm AR6003 Firmware
Qualcomm AR6003 Firmware
Qualcomm CSR6030
Qualcomm CSR6030 Firmware
Qualcomm CSRB31024 Firmware
Qualcomm CSRB31024 Firmware
Qualcomm MDM8207
Qualcomm MDM8207 Firmware
Qualcomm MDM8215M
Qualcomm MDM8215M
Qualcomm MDM8215M
Qualcomm MDM8215M Firmware
Qualcomm MDM8615M
Qualcomm MDM8615M Firmware
Qualcomm MDM9150 Firmware
Qualcomm MDM9150 firmware
Qualcomm 9205 Firmware
Qualcomm 9205
Qualcomm MDM9206
Qualcomm MDM9206 firmware
qualcomm MDM9207C firmware
qualcomm MDM9207C firmware
Qualcomm MDM9215
Qualcomm MDM9215
Qualcomm MDM9230
Qualcomm MDM9230 Firmware
Qualcomm MDM9250
Qualcomm MDM9250 Firmware
Qualcomm MDM9310
Qualcomm MDM9310
Qualcomm MDM9330 Firmware
Qualcomm MDM9330 Firmware
Qualcomm MD9607 Firmware
Qualcomm MDM9607 firmware
Qualcomm MDM9615M Firmware
Qualcomm MDM9615 firmware
Qualcomm MDM9615M Firmware
Qualcomm MDM9615M Firmware
Qualcomm MDM9625M
Qualcomm MDM9625 firmware
Qualcomm MDM9628 Firmware
Qualcomm MDM9628
Qualcomm MDM9630
Qualcomm MDM9630 Firmware
Qualcomm MDM9635M firmware
Qualcomm MDM9635M firmware
Qualcomm MDM9640 Firmware
Qualcomm MDM9640 Firmware
Qualcomm MDM9645
Qualcomm MDM9645
Qualcomm MDM9650
Qualcomm MDM9650 firmware
Qualcomm MDM9655 firmware
Qualcomm MDM9655 firmware
Qualcomm MSM8108 Firmware
Qualcomm MSM8108 Firmware
Qualcomm MSM8208 Firmware
qualcomm msm8208 firmware
Qualcomm MSM8209 Firmware
Qualcomm MSM8209 Firmware
Qualcomm MSM8608
Qualcomm MSM8608
Qualcomm 8909 Firmware
Qualcomm Snapdragon 8909
Qualcomm MSM8917
Qualcomm MSM8917 Firmware
Qualcomm 8920 Firmware
Qualcomm 8920
Qualcomm 8937 Firmware
qualcomm MSM8937 firmware
qualcomm MSM8940 firmware
qualcomm MSM8940 firmware
Qualcomm 8953Pro Firmware
Qualcomm MSM8953 Firmware
Qualcomm 8976 Firmware
Qualcomm 8976
Qualcomm MSM8976SG Firmware
Qualcomm 8976
qualcomm MSM8996AU firmware
Qualcomm MSM8996AU Firmware
Qualcomm QCA1990A Firmware
Qualcomm QCA1990 Firmware
Qualcomm QCA4004 Firmware
Qualcomm QCA4004 Firmware
Qualcomm QCA6174 Firmware
Qualcomm QCA6174A
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 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 QCA6584
Qualcomm QCA6584AU firmware
Qualcomm QCA6584AU Firmware
Qualcomm QCA6584AU firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6694AU Firmware
Qualcomm QCA6694AU Firmware
Qualcomm QCA6694AU
Qualcomm QCA6694AU Firmware
Qualcomm QCA6696 Firmware
Qualcomm QCA6696 Firmware
Qualcomm QCA9367 Firmware
Qualcomm QCA9367 Firmware
Qualcomm QCA9377 Firmware
Qualcomm QCA9377 Firmware
Qualcomm QCA9379
Qualcomm QCA9379
Qualcomm QCM4290
Qualcomm QCM4290 Firmware
Qualcomm QCM6125 Firmware
Qualcomm QCM6125 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 315 5G Firmware
Qualcomm QCX315 Firmware
Qualcomm QSW8573
Qualcomm QSW8573 Firmware
Qualcomm 215 Mobile Firmware
Qualcomm 215 Firmware
Qualcomm SA415M Firmware
Qualcomm SA415M Firmware
Qualcomm SA515M Firmware
Qualcomm SA515M Firmware
Qualcomm SA8155P Firmware
Qualcomm SA8155 Firmware
Qualcomm SA8155
Qualcomm SA8155P Firmware
qualcomm SC8180X firmware
Qualcomm SC8180X
Qualcomm SDX55M Firmware
Qualcomm SDX55 Firmware
Qualcomm SD 455 Firmware
Qualcomm Snapdragon 455
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 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 450 Firmware
Qualcomm Snapdragon 450
Qualcomm SD 480 Firmware
Qualcomm Snapdragon 480
Qualcomm SD 632 firmware
Qualcomm Snapdragon 632
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 SD 712 Firmware
Qualcomm SD 712
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 SD 820 Firmware
Qualcomm Snapdragon 820
Qualcomm SD821 Firmware
Qualcomm SD821 Firmware
Qualcomm Snapdragon 835
Qualcomm Snapdragon 835
Qualcomm SDA845 Firmware
Qualcomm Snapdragon 845
Qualcomm SD850 Firmware
Qualcomm Snapdragon 850
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 SDM630
Qualcomm SDM630 Firmware
Qualcomm SDW2500
Qualcomm SDW2500
Qualcomm SD 12 Firmware
Qualcomm SDX12
Qualcomm SDX20 Firmware
Qualcomm SDX20 Firmware
Qualcomm SDX24
Qualcomm SDX24
Qualcomm SDX50M Firmware
Qualcomm SDX50M Firmware
Qualcomm SDX55M Firmware
Qualcomm SDX55M Firmware
Qualcomm SDXR1
Qualcomm SDXR1 Firmware
Qualcomm SDXR2 5G Firmware
Qualcomm SDXR2 5G Firmware
Qualcomm SM6250P Firmware
Qualcomm SM6250 Firmware
Qualcomm SM6250 Firmware
Qualcomm SM6250P Firmware
Qualcomm SSM7250-AA Firmware
Qualcomm SSM7250-AA Firmware
Qualcomm WCD9306
Qualcomm WCD9306
Qualcomm WCD9330
Qualcomm WCD9330 Firmware
Qualcomm WCD9340 Firmware
Qualcomm WCD9340 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 WCN3620 Firmware
Qualcomm WCN3620 Firmware
Qualcomm WCN3660B Firmware
Qualcomm WCN3660 firmware
Qualcomm WCN3660B
Qualcomm WCN3660B Firmware
Qualcomm WCN3680B Firmware
Qualcomm WCN3680B Firmware
Qualcomm WCN3680B Firmware
Qualcomm WCN3680B Firmware
Qualcomm WCN3910 Firmware
Qualcomm WCN3910 Firmware
Qualcomm WCN3950 Firmware
Qualcomm WCN3950 Firmware
Qualcomm WCN3988 Firmware
Qualcomm WCN3988 Firmware
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 WHS9410
Qualcomm WHS9410
Qualcomm WSA8810
Qualcomm WSA8810 Firmware
Qualcomm WSA8815 Firmware
Qualcomm WSA8815 Firmware
Qualcomm WSA8830
Qualcomm WSA8830
Qualcomm WSA8835
Qualcomm WSA8835 Firmware

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Frequently Asked Questions

  • What is the severity of CVE-2021-1920?

    CVE-2021-1920 has a high severity rating due to the potential for integer underflow exploitation.

  • Who is affected by CVE-2021-1920?

    CVE-2021-1920 affects devices using Qualcomm Snapdragon components that improperly handle incoming RTCP packets.

  • How do I fix CVE-2021-1920?

    To fix CVE-2021-1920, update the firmware for affected Snapdragon components to the latest version provided by Qualcomm.

  • What are the potential impacts of CVE-2021-1920?

    The potential impacts of CVE-2021-1920 include denial of service and compromised device performance.

  • Is CVE-2021-1920 being actively exploited?

    There are currently no public reports indicating active exploitation of CVE-2021-1920, but the vulnerability remains a risk until patched.

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