What is CVE-2017-18321?

CVE-2017-18321 is a medium-severity vulnerability in Qualcomm Mdm9650, classified under Information Disclosure. CVSS score: 5.5/10. Published 2019-01-03.

How severe is CVE-2017-18321?

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

Information disclosure in Qualcomm Mdm9650

CVE-2017-18321

Security keys used by the terminal and NW for a session could be leaked in snapdragon mobile in versions MDM9650, MDM9655, SD 835, SDA660.

Vulnerability class: Information Disclosure

Published 2019-01-03 · 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:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (10.2th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.2% 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

Qualcomm Mdm9650
Qualcomm Mdm9650 Firmware
Qualcomm Mdm9655
Qualcomm Mdm9655 Firmware
Qualcomm Sd 835
Qualcomm Sd 835 Firmware
Qualcomm Sda660
Qualcomm Sda660 Firmware
Qualcomm, Inc. Snapdragon Mobile — versions MDM9650, MDM9655, SD 835, SDA660

Weakness classification (CWE)

CWE-200 — Information Disclosure

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-2017-18321?: CVE-2017-18321 is a medium-severity vulnerability in Qualcomm Mdm9650, classified under Information Disclosure. CVSS score: 5.5/10. Published 2019-01-03.
How severe is CVE-2017-18321?: Medium severity. CVSS v3 base score is 5.5 out of 10.