#VU51891 Detection of Error Condition Without Action in Qualcomm products - CVE-2020-11243

Vulnerability identifier: #VU51891

Vulnerability risk: 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-2020-11243

CWE-ID:

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
AQT1000
AR8035
FSM10055
FSM10056
PM3003A
PM7150A
PM7150L
PM7250
PM7250B
PM8004
PM8008
PM8009
PM8150
PM8150A
PM8150B
PM8150C
PM8150L
PM8250
PM855
PM855B
PM855L
PM855P
PMC1000H
PMK8002
PMR525
PMX50
PMX55
QAT3516
QAT3518
QAT3519
QAT3555
QAT5515
QAT5522
QAT5533
QBT2000
QCA6390
QCA6391
QCA6420
QCA6421
QCA6426
QCA6430
QCA6431
QCA6436
QCA6595AU
QCA6696
QCA8337
QDM2301
QDM2305
QDM3301
QDM5620
QDM5621
QDM5650
QDM5652
QDM5670
QDM5671
QDM5677
QDM5679
QET4101
QET5100
QET6110
QFS2530
QFS2580
QLN4642
QLN4650
QLN5020
QLN5030
QLN5040
QPA2625
QPA5580
QPA6560
QPA8673
QPA8686
QPA8801
QPA8802
QPA8803
QPA8821
QPA8842
QPM4650
QPM5541
QPM5577
QPM5579
QPM5620
QPM5621
QPM5657
QPM5658
QPM5670
QPM5677
QPM5679
QPM6325
QPM6375
QPM6582
QPM6585
QPM8820
QPM8830
QPM8895
QSM7250
QTC800H
QTC801S
QTM525
QTM527
SA515M
SD8C
SD8CX
SD765
SD765G
SD768G
SD8655G
SD870
SDR051
SDR052
SDR8150
SDR8250
SDR865
SDX50M
SDX55M
SDXR25G
SM7250P
SMB1355
SMB1381
SMB1390
SMB1395
SMB2351
SMR525
SMR526
WCD9340
WCD9341
WCD9380
WCD9385
WCN3991
WCN3998
WCN6750
WCN6850
WCN6851
WSA8810
WSA8815
SD855
SDX55

Software vendor:
Qualcomm

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

The vulnerability exists in LTE module due to RRC sends a connection establishment success to NAS even though connection setup validation returns failure. A remote attacker can perform a denial of service attack.

Install updates from vendor's website.

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