CVE-2021-1981

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-11-12 · updated 2026-06-17
Weakness: CWE-125

Description

Possible buffer over read due to improper IE size check of Bearer capability IE in MT setup request from network in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

Affected products

Qualcomm Apq8017 Firmware: all versions
Qualcomm Ar8035 Firmware: all versions
Qualcomm Msm8917 Firmware: all versions
Qualcomm Qca6390 Firmware: all versions
Qualcomm Qca6391 Firmware: all versions
Qualcomm Qca6421 Firmware: all versions
Qualcomm Qca6426 Firmware: all versions
Qualcomm Qca6431 Firmware: all versions
Qualcomm Qca6436 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 Qcm6125 Firmware: all versions
Qualcomm Qcm6490 Firmware: all versions
Qualcomm Qcs410 Firmware: all versions
Qualcomm Qcs610 Firmware: all versions
Qualcomm Qcs6125 Firmware: all versions
Qualcomm Qcs6490 Firmware: all versions
Qualcomm Qcx315 Firmware: all versions
Qualcomm Qsm8350 Firmware: all versions
Qualcomm215 Firmware: all versions
Qualcomm Sa515M Firmware: all versions
Qualcomm Sd205 Firmware: all versions
Qualcomm Sd210 Firmware: all versions
Qualcomm Sd429 Firmware: all versions
Qualcomm Sd439 Firmware: all versions
Qualcomm Sd480 Firmware: all versions

References

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