CVE-2021-30343

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-06-14 · updated 2026-06-17
Weakness: CWE-367

Description

Improper integrity check can lead to race condition between tasks PDCP and RRC? after a valid RRC Command packet has been received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Affected products

Qualcomm Ar8035 Firmware: all versions
Qualcomm Qca6390 Firmware: all versions
Qualcomm Qca6391 Firmware: all versions
Qualcomm Qca6426 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 Qcm6490 Firmware: all versions
Qualcomm Qcs6490 Firmware: all versions
Qualcomm Qcx315 Firmware: all versions
Qualcomm Sa515M Firmware: all versions
Qualcomm Sd480 Firmware: all versions
Qualcomm Sd675 Firmware: all versions
Qualcomm Sd678 Firmware: all versions
Qualcomm Sd690 5G Firmware: all versions
Qualcomm Sd720G Firmware: all versions
Qualcomm Sd730 Firmware: all versions
Qualcomm Sd750G Firmware: all versions
Qualcomm Sd765 Firmware: all versions
Qualcomm Sd765G Firmware: all versions
Qualcomm Sd768G Firmware: all versions
Qualcomm Sd778G Firmware: all versions
Qualcomm Sd780G Firmware: all versions
Qualcomm Sd865 5G Firmware: all versions
Qualcomm Sd870 Firmware: all versions
Qualcomm Sd888 5G Firmware: all versions

References

Get alerted when CVE-2021-30343 or the next vulnerability affects your stack