#VU58564 Improper access control in Qualcomm products - CVE-2021-30276

Vulnerability identifier: #VU58564

Vulnerability risk: Low

CVSSv4.0: 6.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-30276

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
AR8035
Mobile applications / Mobile firmware & hardware
QCA6390
Mobile applications / Mobile firmware & hardware
QCA6391
Mobile applications / Mobile firmware & hardware
QCA6426
Mobile applications / Mobile firmware & hardware
QCA6436
Mobile applications / Mobile firmware & hardware
QCA8337
Mobile applications / Mobile firmware & hardware
QCA9984
Mobile applications / Mobile firmware & hardware
QCM2290
Mobile applications / Mobile firmware & hardware
QCM4290
Mobile applications / Mobile firmware & hardware
QCM6490
Mobile applications / Mobile firmware & hardware
QCS2290
Mobile applications / Mobile firmware & hardware
QCS4290
Mobile applications / Mobile firmware & hardware
QCS6490
Mobile applications / Mobile firmware & hardware
QCX315
Mobile applications / Mobile firmware & hardware
QRB5165
Mobile applications / Mobile firmware & hardware
QRB5165N
Mobile applications / Mobile firmware & hardware
QSM8250
Mobile applications / Mobile firmware & hardware
SD460
Mobile applications / Mobile firmware & hardware
SD480
Mobile applications / Mobile firmware & hardware
SD660
Mobile applications / Mobile firmware & hardware
SD662
Mobile applications / Mobile firmware & hardware
SD690 5G
Mobile applications / Mobile firmware & hardware
SD750G
Mobile applications / Mobile firmware & hardware
SD765
Mobile applications / Mobile firmware & hardware
SD765G
Mobile applications / Mobile firmware & hardware
SD768G
Mobile applications / Mobile firmware & hardware
SD778G
Mobile applications / Mobile firmware & hardware
SD865 5G
Mobile applications / Mobile firmware & hardware
SD870
Mobile applications / Mobile firmware & hardware
SD888 5G
Mobile applications / Mobile firmware & hardware
SDX55M
Mobile applications / Mobile firmware & hardware
SDX57M
Mobile applications / Mobile firmware & hardware
SDXR2 5G
Mobile applications / Mobile firmware & hardware
SM6225
Mobile applications / Mobile firmware & hardware
SM6375
Mobile applications / Mobile firmware & hardware
SM7250P
Mobile applications / Mobile firmware & hardware
SM7325P
Mobile applications / Mobile firmware & hardware
WCD9335
Mobile applications / Mobile firmware & hardware
WCD9370
Mobile applications / Mobile firmware & hardware
WCD9375
Mobile applications / Mobile firmware & hardware
WCD9380
Mobile applications / Mobile firmware & hardware
WCD9385
Mobile applications / Mobile firmware & hardware
WCN3910
Mobile applications / Mobile firmware & hardware
WCN3950
Mobile applications / Mobile firmware & hardware
WCN3980
Mobile applications / Mobile firmware & hardware
WCN3988
Mobile applications / Mobile firmware & hardware
WCN3990
Mobile applications / Mobile firmware & hardware
WCN3991
Mobile applications / Mobile firmware & hardware
WCN3999
Mobile applications / Mobile firmware & hardware
WCN6750
Mobile applications / Mobile firmware & hardware
WCN6850
Mobile applications / Mobile firmware & hardware
WCN6851
Mobile applications / Mobile firmware & hardware
WCN6855
Mobile applications / Mobile firmware & hardware
WCN6856
Mobile applications / Mobile firmware & hardware
WSA8830
Mobile applications / Mobile firmware & hardware
WSA8835
Mobile applications / Mobile firmware & hardware
QCS405
Hardware solutions / Firmware
SDX55
Hardware solutions / Firmware

Vendor: Qualcomm

Description

The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in Core. A local attacker can bypass implemented security restrictions and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

AR8035: All versions

QCA6390: All versions

QCA6391: All versions

QCA6426: All versions

QCA6436: All versions

QCA8337: All versions

QCA9984: All versions

QCM2290: All versions

QCM4290: All versions

QCM6490: All versions

QCS2290: All versions

QCS405: All versions

QCS4290: All versions

QCS6490: All versions

QCX315: All versions

QRB5165: All versions

QRB5165N: All versions

QSM8250: All versions

SD460: All versions

SD480: All versions

SD660: All versions

SD662: All versions

SD690 5G: All versions

SD750G: All versions

SD765: All versions

SD765G: All versions

SD768G: All versions

SD778G: All versions

SD865 5G: All versions

SD870: All versions

SD888 5G: All versions

SDX55: All versions

SDX55M: All versions

SDX57M: All versions

SDXR2 5G: All versions

SM6225: All versions

SM6375: All versions

SM7250P: All versions

SM7325P: All versions

WCD9335: All versions

WCD9370: All versions

WCD9375: All versions

WCD9380: All versions

WCD9385: All versions

WCN3910: All versions

WCN3950: All versions

WCN3980: All versions

WCN3988: All versions

WCN3990: All versions

WCN3991: All versions

WCN3999: All versions

WCN6750: All versions

WCN6850: All versions

WCN6851: All versions

WCN6855: All versions

WCN6856: All versions

WSA8830: All versions

WSA8835: All versions

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External links
https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.