SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-1976

A use after free can occur due to improper validation of P2P device address in PD Request frame in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon…

CRITICAL 9.8EPSS 0.80%

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

A use after free can occur due to improper validation of P2P device address in PD Request frame in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

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-416
Affected
qualcomm/apq8009 firmware · qualcomm/apq8009w firmware · qualcomm/apq8017 firmware · qualcomm/apq8053 firmware · qualcomm/apq8064au firmware · qualcomm/apq8096au firmware · qualcomm/aqt1000 firmware · qualcomm/ar7420 firmware · qualcomm/ar8031 firmware · qualcomm/ar8035 firmware · qualcomm/ar9380 firmware · qualcomm/csr8811 firmware · qualcomm/csra6620 firmware · qualcomm/csra6640 firmware · qualcomm/csrb31024 firmware · qualcomm/fsm10055 firmware · qualcomm/fsm10056 firmware · qualcomm/ipq4018 firmware · qualcomm/ipq4019 firmware · qualcomm/ipq4028 firmware · +40 more
Source
product-security@qualcomm.com
EPSS trend
0%3%5%26 October 2026: 0.80%26 October 202626 October 2026

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.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.