What’s Vulnerable › Vulnerabilities

CVE-2020-11209

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-12 · updated 2026-06-17
• Weakness: CWE-863

Description

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: all versions
• Qualcomm Qcs605 Firmware: all versions
• Qualcomm Sa6145P Firmware: all versions
• Qualcomm Sa6155 Firmware: all versions
• Qualcomm Sa6155P Firmware: all versions
• Qualcomm Sd429 Firmware: all versions
• Qualcomm Sd439 Firmware: all versions
• Qualcomm Sd660 Firmware: all versions
• Qualcomm Sd820 Firmware: all versions
• Qualcomm Sd821 Firmware: all versions
• Qualcomm Sd855 Firmware: all versions
• Qualcomm Sd 675 Firmware: all versions
• Qualcomm Sda855 Firmware: all versions

References

• https://blog.checkpoint.com/2020/08/06/achilles-small-chip-big-peril/
• https://research.checkpoint.com/2021/pwn2own-qualcomm-dsp/
• https://www.qualcomm.com/company/product-security/bulletins/november-2020-bulletin
• https://blog.checkpoint.com/2020/08/06/achilles-small-chip-big-peril/
• https://research.checkpoint.com/2021/pwn2own-qualcomm-dsp/
• https://www.qualcomm.com/company/product-security/bulletins/november-2020-bulletin

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