CVE-2020-3651 Explained : Impact and Mitigation
Learn about CVE-2020-3651, a vulnerability in Qualcomm Snapdragon products causing active command timeout. Find out the impacted systems, versions, exploitation, and mitigation steps.
Active command timeout vulnerability affecting multiple Qualcomm Snapdragon products.
Understanding CVE-2020-3651
What is CVE-2020-3651?
The vulnerability involves an active command timeout due to a status change command not being removed from the active queue when multiple deauth frames are sent by a peer. It impacts various Qualcomm Snapdragon products.
The Impact of CVE-2020-3651
This vulnerability could allow attackers to cause a denial of service (DoS) condition by triggering an active command timeout, potentially disrupting device functionality.
Technical Details of CVE-2020-3651
Vulnerability Description
The issue arises from a failure to remove a command from the active queue, leading to an active command timeout in affected Qualcomm Snapdragon products.
Affected Systems and Versions
- Products: Snapdragon Auto, Compute, Consumer Electronics Connectivity, Consumer IOT, Industrial IOT, Mobile, Voice & Music, Wearables
- Versions: APQ8009, APQ8017, APQ8053, APQ8096AU, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8905, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996AU, QCA6174A, QCA6574AU, QCA9377, QCA9379, QCM2150, QCN7605, QCS605, QM215, SC8180X, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM845, SDX20, SDX24, SDX55, SM8150, SXR1130
Exploitation Mechanism
The vulnerability can be exploited by sending multiple deauth frames, causing the active command timeout and potentially disrupting the normal operation of the affected devices.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by Qualcomm to address the vulnerability.
- Monitor network traffic for any suspicious activity that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update firmware and software to ensure the latest security patches are in place.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
- Qualcomm has released patches to mitigate the vulnerability. Ensure all affected devices are updated with the latest firmware and software versions.