What is CVE-2018-11999?

CVE-2018-11999 is a medium-severity vulnerability in Qualcomm Mdm9206, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2019-01-18.

How severe is CVE-2018-11999?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Improper input validation in Qualcomm Mdm9206

CVE-2018-11999

Improper input validation in trustzone can lead to denial of service in snapdragon automobile, snapdragon mobile and snapdragon wear in versions MDM9206, MDM9607, MDM9635M, MDM9650, MDM9655, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 636, SD 820, SD 820A, SD 835, SD 845 / SD 850, SDA660, SDM630, SDM660, SDX24

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2019-01-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (9.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.9% 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-20 — Improper Input Validation

References

www.qualcomm.com/company/product-security/bulletins (Vendor Advisory)
www.securityfocus.com/bid/106128 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-11999?: CVE-2018-11999 is a medium-severity vulnerability in Qualcomm Mdm9206, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2019-01-18.
How severe is CVE-2018-11999?: Medium severity. CVSS v3 base score is 5.5 out of 10.