CVSS 3.1
9.1 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HCVE-2021-1977
Critical (9.1) in qualcomm. EPSS 0.6% chance of exploitation in the next 30 days.
Possible buffer over read due to improper validation of frame length while processing AEAD decryption during ASSOC response in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music
Severity
- EPSS
- 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
- CWE
- CWE-125
- Published
- Modified
- Record from
- the NVD, synced
Affected
- qualcomm:apq8009_firmware
- qualcomm:apq8017_firmware
- qualcomm:apq8053_firmware
- qualcomm:apq8064au_firmware
- qualcomm:apq8096au_firmware
- qualcomm:ar8031_firmware
- qualcomm:ar8035_firmware
- qualcomm:csra6620_firmware
- qualcomm:csra6640_firmware
- qualcomm:csrb31024_firmware
- qualcomm:mdm9150_firmware
- qualcomm:mdm9206_firmware
- qualcomm:mdm9250_firmware
- qualcomm:mdm9607_firmware
- qualcomm:mdm9626_firmware
- qualcomm:mdm9628_firmware
- qualcomm:mdm9650_firmware
- qualcomm:msm8953_firmware
- qualcomm:msm8996au_firmware
- qualcomm:qca4020_firmware
- qualcomm:qca6174a_firmware
- qualcomm:qca6175a_firmware
- qualcomm:qca6310_firmware
- qualcomm:qca6320_firmware
- qualcomm:qca6335_firmware
- qualcomm:qca6390_firmware
- qualcomm:qca6391_firmware
- qualcomm:qca6426_firmware
- qualcomm:qca6436_firmware
- qualcomm:qca6564a_firmware
- qualcomm:qca6564au_firmware
- qualcomm:qca6574_firmware
- qualcomm:qca6574a_firmware
- qualcomm:qca6574au_firmware
- qualcomm:qca6584au_firmware
- qualcomm:qca6595_firmware
- qualcomm:qca6595au_firmware
- qualcomm:qca6696_firmware
- qualcomm:qca8337_firmware
- qualcomm:qca9367_firmware
- qualcomm:qca9377_firmware
- qualcomm:qca9379_firmware
- qualcomm:qcm4290_firmware
- qualcomm:qcm6125_firmware
- qualcomm:qcs405_firmware
- qualcomm:qcs410_firmware
- qualcomm:qcs4290_firmware
- qualcomm:qcs603_firmware
- qualcomm:qcs605_firmware
- qualcomm:qcs610_firmware