high
7.5
CWE
617
Advisory Published
CVE Published
Updated

CVE-2021-1955

First published: Wed Jul 07 2021(Updated: )

Denial of service in SAP case due to improper handling of connections when association is rejected in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, 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 APQ8053
Qualcomm APQ8053 Firmware
Qualcomm APQ8064AU
Qualcomm APQ8064 AU Firmware
Qualcomm APQ8096AU Firmware
Qualcomm APQ8096AU Firmware
Qualcomm AQT1000 Firmware
Qualcomm AQT1000 Firmware
Qualcomm AR6003 Firmware
Qualcomm AR6003 Firmware
Qualcomm AR8031
Qualcomm AR8031 Firmware
Qualcomm AR8035 Firmware
Qualcomm AR8035 Firmware
Qualcomm CSR6030
Qualcomm CSR6030 Firmware
Qualcomm CSRA6620
Qualcomm CSRA6620
Qualcomm CSRA6640 Firmware
Qualcomm csra6640 firmware
Qualcomm CSRB31024 Firmware
Qualcomm CSRB31024 Firmware
Qualcomm MDM8215M
Qualcomm MDM8215M
Qualcomm MDM8215M
Qualcomm MDM8215M Firmware
Qualcomm MDM8615M
Qualcomm MDM8615M Firmware
Qualcomm MDM9150 Firmware
Qualcomm MDM9150 firmware
Qualcomm MDM9206
Qualcomm MDM9206 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 MDM9626
Qualcomm MDM9626 Firmware
Qualcomm MDM9628 Firmware
Qualcomm MDM9628
Qualcomm MDM9630
Qualcomm MDM9630 Firmware
Qualcomm MDM9640 Firmware
Qualcomm MDM9640 Firmware
Qualcomm MDM9650
Qualcomm MDM9650 firmware
Qualcomm 8909 Firmware
Qualcomm Snapdragon 8909
Qualcomm MSM8917
Qualcomm MSM8917 Firmware
Qualcomm 8953Pro Firmware
Qualcomm MSM8953 Firmware
qualcomm MSM8996AU firmware
Qualcomm MSM8996AU Firmware
Qualcomm QCA-4020 Firmware
Qualcomm QCA-4020-1-217MSP
Qualcomm QCA6174 Firmware
Qualcomm QCA6174A
Qualcomm QCA6174A Firmware
Qualcomm QCA6174A Firmware
Qualcomm QCA6175A Firmware
Qualcomm QCA6175A Firmware
Qualcomm QCA6310 Firmware
Qualcomm QCA6310 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 QCA6584
Qualcomm QCA6584AU firmware
Qualcomm QCA6584AU Firmware
Qualcomm QCA6584AU firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6696 Firmware
Qualcomm QCA6696 Firmware
Qualcomm QCA8337 Firmware
Qualcomm QCA8337 Firmware
Qualcomm QCA9367 Firmware
Qualcomm QCA9367 Firmware
Qualcomm QCA9377 Firmware
Qualcomm QCA9377 Firmware
Qualcomm QCA9379
Qualcomm QCA9379
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 QCS4290 Firmware
Qualcomm QCS4290 Firmware
Qualcomm QCS603
Qualcomm QCS603 Firmware
Qualcomm QCS605
Qualcomm QCS605 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QET4101
Qualcomm QET4101 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 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 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 SD460 Firmware
Qualcomm SD460 Firmware
Qualcomm SD 480 Firmware
Qualcomm Snapdragon 480
Qualcomm SD 632 firmware
Qualcomm Snapdragon 632
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 SDA429W Firmware
Qualcomm SDA429W Firmware
Qualcomm SDM429W
qualcomm SDM429W firmware
Qualcomm SDM630
Qualcomm SDM630 Firmware
Qualcomm SDM830 Firmware
Qualcomm Snapdragon 830
Qualcomm SDW2500
Qualcomm SDW2500
Qualcomm SDX20 Firmware
Qualcomm SDX20 Firmware
Qualcomm SDX20 Firmware
Qualcomm SDX20 Firmware
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 SM7250 Firmware
Qualcomm SM7250
Qualcomm SM7315
Qualcomm SM7315 Firmware
Qualcomm SM7325P Firmware
Qualcomm SM7325P Firmware
Qualcomm WCD9326
Qualcomm WCD9326 Firmware
Qualcomm WCD9330
Qualcomm WCD9330 Firmware
Qualcomm WCD9335 Firmware
Qualcomm WCD9335 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 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 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 WCN6855 Firmware
Qualcomm WCN6855 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

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-1955?

    CVE-2021-1955 is categorized as a high severity denial of service vulnerability.

  • How do I fix CVE-2021-1955?

    To fix CVE-2021-1955, apply the latest software updates provided by Qualcomm or your device manufacturer.

  • Which devices are affected by CVE-2021-1955?

    CVE-2021-1955 affects various Qualcomm chipsets, including APQ8009, APQ8017, and APQ8053 firmware.

  • What can exploit CVE-2021-1955?

    CVE-2021-1955 can be exploited by an attacker to cause a denial of service condition through improper handling of rejected connections.

  • Is CVE-2021-1955 a hardware-based vulnerability?

    CVE-2021-1955 is a vulnerability in the firmware running on Qualcomm hardware, not a hardware-specific issue.

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