What is CVE-2015-9221?

CVE-2015-9221 is a critical-severity vulnerability in Qualcomm Sd 400, classified under NULL Pointer Dereference. CVSS score: 9.8/10. Published 2018-04-18.

How severe is CVE-2015-9221?

Critical severity. CVSS v3 base score is 9.8 out of 10.

NULL pointer dereference in Qualcomm Sd 400

CVE-2015-9221

In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Mobile SD 400, SD 800, and SD 810, lack of validation of pointers passed by secure apps could lead to an untrusted pointer dereference.

Published 2018-04-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (68.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: -0.000

Affected products

Qualcomm Sd 400
Qualcomm Sd 400 Firmware
Qualcomm Sd 800
Qualcomm Sd 800 Firmware
Qualcomm Sd 810
Qualcomm Sd 810 Firmware
Qualcomm, Inc. Snapdragon Mobile — versions SD 400, SD 800, SD 810

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

source.android.com/security/bulletin/2018-04-01 (Vendor Advisory)
www.securityfocus.com/bid/103671 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2015-9221?: CVE-2015-9221 is a critical-severity vulnerability in Qualcomm Sd 400, classified under NULL Pointer Dereference. CVSS score: 9.8/10. Published 2018-04-18.
How severe is CVE-2015-9221?: Critical severity. CVSS v3 base score is 9.8 out of 10.