What is CVE-2018-11921?

CVE-2018-11921 is a high-severity vulnerability in Qualcomm Mdm9206, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.8/10. Published 2018-11-28.

How severe is CVE-2018-11921?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Qualcomm Mdm9206

CVE-2018-11921

Failure condition is not handled properly and the correct error code is not returned. It could cause unintended SUI behavior and create unintended SUI display in Snapdragon Automobile, Snapdragon Mobile and Snapdragon Wear in versions MDM9206, MDM9607, MDM9650, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 430, SD 450, SD 615/16/SD 415, SD 625, SD 650/52, SD 800, SD 810, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDA845, SDX24, SXR1130.

Published 2018-11-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (13.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-755 — Improper Handling of Exceptional Conditions

References

www.qualcomm.com/company/product-security/bulletins (Vendor Advisory)
www.securityfocus.com/bid/106845 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-11921?: CVE-2018-11921 is a high-severity vulnerability in Qualcomm Mdm9206, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.8/10. Published 2018-11-28.
How severe is CVE-2018-11921?: High severity. CVSS v3 base score is 7.8 out of 10.