Reachable Assertion in Qualcomm products - CVE-2021-1955

Vulnerability identifier: #VU54539

CSH Severity: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2021-1955

CWE-ID: CWE-617

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
APQ8009
APQ8017
APQ8053
APQ8096AU
MDM9150
MDM9206
MDM9607
MDM9640
MDM9650
MSM8909W
MSM8917
MSM8953
MSM8996AU
QCA6174A
QCA6574AU
QCA9377
QCA9379
QCS405
QCS605
SA6155P
SD636
SD675
SD205
SD210
SD450
SD665
SD670
SD710
SD730
SD835
SD845
SD855
SD888
SDM429W
SDM630
SDX20
SDX24
SDX55
APQ8009W
APQ8064AU
AQT1000
AR6003
AR8031
AR8035
CSR6030
CSRA6620
CSRA6640
CSRB31024
MDM8215
MDM8215M
MDM8615M
MDM9215
MDM9230
MDM9250
MDM9310
MDM9330
MDM9615
MDM9615M
MDM9626
MDM9628
MDM9630
QCA4020
QCA6174
QCA6175A
QCA6310
QCA6335
QCA6390
QCA6391
QCA6420
QCA6421
QCA6426
QCA6430
QCA6431
QCA6436
QCA6564
QCA6564A
QCA6564AU
QCA6574
QCA6574A
QCA6584
QCA6584AU
QCA6595
QCA6595AU
QCA6696
QCA8337
QCA9367
QCM2290
QCM4290
QCM6125
QCS2290
QCS4290
QCS603
QCS6125
QET4101
QSW8573
Qualcomm215
SA415M
SA515M
SA6145P
SA6150P
SA6155
SA8145P
SA8150P
SA8155
SA8155P
SA8195P
SD455
SD8C
SD8CX
SD429
SD439
SD460
SD480
SD632
SD660
SD662
SD678
SD6905G
SD720G
SD750G
SD765
SD765G
SD768G
SD778G
SD780G
SD8655G
SD870
SD8885G
SDA429W
SDM830
SDW2500
SDX20M
SDX50M
SDX55M
SDXR1
SDXR25G
SM4125
SM6250
SM7250P
SM7315
SM7325P
WCD9326
WCD9330
WCD9335
WCD9340
WCD9341
WCD9360
WCD9370
WCD9371
WCD9375
WCD9380
WCD9385
WCN3610
WCN3615
WCN3620
WCN3660
WCN3660B
WCN3680
WCN3680B
WCN3910
WCN3950
WCN3980
WCN3988
WCN3990
WCN3991
WCN3998
WCN3999
WCN6740
WCN6750
WCN6850
WCN6851
WCN6855
WCN6856
WSA8810
WSA8815
WSA8830
WSA8835

Software vendor:
Qualcomm

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists in SAP case due to improper handling of connections when association is rejected. A remote attacker can send specially crafted traffic to the device and perform a denial of service attack.

Install updates from vendor's website.

• https://www.qualcomm.com/company/product-security/bulletins/july-2021-bulletin
• https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=e3731bc5080eb91349d3adc6aaf6b9f43481d2df
• https://source.codeaurora.org/quic/le/platform/vendor/qcom-opensource/wlan/qcacld-2.0/commit/?id=c275fefd8ce11ea9414dcafd54793fdae7caccd1
• https://source.codeaurora.org/quic/le/platform/vendor/qcom-opensource/wlan/qcacld-2.0/commit/?id=55974aef92f38a46d5143a1dc436edf6c2fcc3dd