CVE-2021-1920
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.80% probability · 56th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-191
- Affected
- qualcomm/apq8009 firmware · qualcomm/apq8009w firmware · qualcomm/apq8017 firmware · qualcomm/apq8037 firmware · qualcomm/apq8053 firmware · qualcomm/apq8084 firmware · qualcomm/apq8096au firmware · qualcomm/aqt1000 firmware · qualcomm/ar6003 firmware · qualcomm/csr6030 firmware · qualcomm/csrb31024 firmware · qualcomm/mdm8207 firmware · qualcomm/mdm8215 firmware · qualcomm/mdm8215m firmware · qualcomm/mdm8615m firmware · qualcomm/mdm9150 firmware · qualcomm/mdm9205 firmware · qualcomm/mdm9206 firmware · qualcomm/mdm9207 firmware · qualcomm/mdm9215 firmware · +40 more
- Source
- product-security@qualcomm.com
EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.