CVE-2020-11209: Qualcomm QCS603 Firmware

Medium severity, CVSS 5.5. EPSS: 1.6% chance of exploitation in the next 30 days.

Improper authorization in DSP process could allow unauthorized users to downgrade the library versions in SD820, SD821, SD820, QCS603, QCS605, SDA855, SA6155P, SA6145P, SA6155, SA6155P, SD855, SD 675, SD660, SD429, SD439

Affected products

• Qualcomm QCS603 Firmware: affected versions not specified
• Qualcomm QCS605 Firmware: affected versions not specified
• Qualcomm SA6145P Firmware: affected versions not specified
• Qualcomm SA6155 Firmware: affected versions not specified
• Qualcomm SA6155P Firmware: affected versions not specified
• Qualcomm SD429 Firmware: affected versions not specified
• Qualcomm SD439 Firmware: affected versions not specified
• Qualcomm SD660 Firmware: affected versions not specified
• Qualcomm SD820 Firmware: affected versions not specified
• Qualcomm SD821 Firmware: affected versions not specified
• Qualcomm SD855 Firmware: affected versions not specified
• Qualcomm Sd 675 Firmware: affected versions not specified
• Qualcomm SDA855 Firmware: affected versions not specified

Published 2020-11-12. Last modified 2026-06-17.