CVE-2021-1920

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-08 · updated 2026-06-17
Weakness: CWE-191

Description

Integer underflow can occur due to improper handling of incoming RTCP packets in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables

Affected products

Qualcomm Apq8009 Firmware: all versions
Qualcomm Apq8009W Firmware: all versions
Qualcomm Apq8017 Firmware: all versions
Qualcomm Apq8037 Firmware: all versions
Qualcomm Apq8053 Firmware: all versions
Qualcomm Apq8084 Firmware: all versions
Qualcomm Apq8096Au Firmware: all versions
Qualcomm Aqt1000 Firmware: all versions
Qualcomm Ar6003 Firmware: all versions
Qualcomm Csr6030 Firmware: all versions
Qualcomm Csrb31024 Firmware: all versions
Qualcomm Mdm8207 Firmware: all versions
Qualcomm Mdm8215 Firmware: all versions
Qualcomm Mdm8215M Firmware: all versions
Qualcomm Mdm8615M Firmware: all versions
Qualcomm Mdm9150 Firmware: all versions
Qualcomm Mdm9205 Firmware: all versions
Qualcomm Mdm9206 Firmware: all versions
Qualcomm Mdm9207 Firmware: all versions
Qualcomm Mdm9215 Firmware: all versions
Qualcomm Mdm9230 Firmware: all versions
Qualcomm Mdm9250 Firmware: all versions
Qualcomm Mdm9310 Firmware: all versions
Qualcomm Mdm9330 Firmware: all versions
Qualcomm Mdm9607 Firmware: all versions
Qualcomm Mdm9615 Firmware: all versions
Qualcomm Mdm9615M Firmware: all versions
Qualcomm Mdm9625 Firmware: all versions
Qualcomm Mdm9628 Firmware: all versions
Qualcomm Mdm9630 Firmware: all versions

References

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