CVE-2020-3690 Security feature bypass in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

High 7.8 Published 2 Nov 2020 Updated 4 Aug 2024

Incorrect SMMU configuration allows the modem crypto engine to compromise the hypervisor, enabling privilege escalation on Qualcomm Snapdragon devices.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-3690?

CVE-2020-3690 is a high-severity vulnerability in Qualcomm Kamorta Firmware, published on 2 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

u'Due to an incorrect SMMU configuration, the modem crypto engine can potentially compromise the hypervisor' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in Agatti, Bitra, Kamorta, Nicobar, QCA6390, QCS404, QCS605, QCS610, Rennell, SA415M, SA515M, SA6155P, SA8155P, Saipan, SC7180, SC8180X, SDA845, SDM670, SDM710, SDM845, SDM850, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130

Which versions are affected by CVE-2020-3690?

It affects 29 products.

Products include Qualcomm Agatti Firmware, Qualcomm Bitra Firmware, Qualcomm Kamorta Firmware, Qualcomm Nicobar Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qcs404 Firmware and 23 more.

How do I fix CVE-2020-3690?

No fix has been published for CVE-2020-3690 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-3690 being exploited?

There is no known exploitation of CVE-2020-3690 in the wild and no public exploit code.

All Qualcomm Kamorta Firmware vulnerabilities

Sources

Also known as GHSA-wrmg-q794-8342.