CVE-2021-1940

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: 2021-07-13 · updated 2026-06-17
Weakness: CWE-416

Description

Use after free can occur due to improper handling of response from firmware in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Affected products

Qualcomm Aqt1000 Firmware: all versions
Qualcomm Ar8031 Firmware: all versions
Qualcomm Ar8035 Firmware: all versions
Qualcomm Csra6620 Firmware: all versions
Qualcomm Csra6640 Firmware: all versions
Qualcomm Fsm10055 Firmware: all versions
Qualcomm Fsm10056 Firmware: all versions
Qualcomm Qca6391 Firmware: all versions
Qualcomm Qca6420 Firmware: all versions
Qualcomm Qca6430 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 Qca6584Au Firmware: all versions
Qualcomm Qca6595Au Firmware: all versions
Qualcomm Qca6696 Firmware: all versions
Qualcomm Qca8337 Firmware: all versions
Qualcomm Qcm6125 Firmware: all versions
Qualcomm Qcs405 Firmware: all versions
Qualcomm Qcs410 Firmware: all versions
Qualcomm Qcs610 Firmware: all versions
Qualcomm Qcs6125 Firmware: all versions
Qualcomm Sa415M Firmware: all versions
Qualcomm Sa515M Firmware: all versions
Qualcomm Sa6145P Firmware: all versions
Qualcomm Sa6155 Firmware: all versions
Qualcomm Sa6155P Firmware: all versions

References

Get alerted when CVE-2021-1940 or the next vulnerability affects your stack