CVE-2021-1894

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-01-03 · updated 2026-06-17
Weakness: CWE-755

Description

Improper access control in TrustZone due to improper error handling while handling the signing key in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Affected products

Qualcomm Ar8031 Firmware: all versions
Qualcomm Ar8035 Firmware: all versions
Qualcomm Csra6620 Firmware: all versions
Qualcomm Csra6640 Firmware: all versions
Qualcomm Csrb31024 Firmware: all versions
Qualcomm Fsm10055 Firmware: all versions
Qualcomm Fsm10056 Firmware: all versions
Qualcomm Mdm9150 Firmware: all versions
Qualcomm Mdm9205 Firmware: all versions
Qualcomm Mdm9628 Firmware: all versions
Qualcomm Qca4004 Firmware: all versions
Qualcomm Qca6174A Firmware: all versions
Qualcomm Qca6390 Firmware: all versions
Qualcomm Qca6391 Firmware: all versions
Qualcomm Qca6426 Firmware: all versions
Qualcomm Qca6436 Firmware: all versions
Qualcomm Qca6564 Firmware: all versions
Qualcomm Qca6564A Firmware: all versions
Qualcomm Qca6564Au Firmware: all versions
Qualcomm Qca6574 Firmware: all versions
Qualcomm Qca6574A Firmware: all versions
Qualcomm Qca6574Au Firmware: all versions
Qualcomm Qca6595Au Firmware: all versions
Qualcomm Qca6696 Firmware: all versions
Qualcomm Qca8081 Firmware: all versions
Qualcomm Qca8337 Firmware: all versions
Qualcomm Qca9367 Firmware: all versions
Qualcomm Qca9377 Firmware: all versions
Qualcomm Qca9984 Firmware: all versions
Qualcomm Qcm2290 Firmware: all versions

References

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