CVE-2021-30333
Improper validation of buffer size input to the EFS file can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music,…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Improper validation of buffer size input to the EFS file can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.14% probability · 4th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- qualcomm/apq8009w firmware · qualcomm/apq8017 firmware · qualcomm/apq8053 firmware · qualcomm/apq8096au firmware · qualcomm/aqt1000 firmware · qualcomm/ar8035 firmware · qualcomm/csrb31024 firmware · qualcomm/mdm8207 firmware · qualcomm/mdm9207 firmware · qualcomm/mdm9607 firmware · qualcomm/mdm9628 firmware · qualcomm/mdm9640 firmware · qualcomm/msm8909w firmware · qualcomm/msm8953 firmware · qualcomm/msm8996au firmware · qualcomm/qca6174a firmware · qualcomm/qca6390 firmware · qualcomm/qca6391 firmware · qualcomm/qca6420 firmware · qualcomm/qca6426 firmware · +40 more
- Source
- product-security@qualcomm.com
EPSS 0.1% 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.