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CVE-2020-11209

MEDIUM
5.5
CVSS Score
Published: November 12, 2020 at 10:00 AM UTC
Updated: June 17, 2026 at 02:49 AM UTC
29 products affected across 1 vendorSA6155P FirmwareQCS605 FirmwareSd 820 Firmware

Using Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Mobile by Qualcomm, Inc.?

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Severity
MEDIUM5.5
Exploit prediction
EPSS 2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://blog.checkpoint.com/2020/08/06/achilles-small-chip-big-peril/
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://research.checkpoint.com/2021/pwn2own-qualcomm-dsp/
x_refsource_CONFIRMBroken LinkVendor Advisory
Source: [email protected]
https://www.qualcomm.com/company/product-security/bulletins/november-2020-bulletin

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-863

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