What is CVE-2020-3687?

CVE-2020-3687 is a medium-severity vulnerability in Qualcomm, classified under Information Disclosure. CVSS score: 5.5/10. Published 2021-01-21.

How severe is CVE-2020-3687?

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

Information disclosure in Qualcomm

CVE-2020-3687

Local privilege escalation in admin services in Windows environment can occur due to an arbitrary read issue.

Vulnerability class: Information Disclosure

Published 2021-01-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (9.2th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.2% 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
Qualcomm, Inc. Unspecified — versions unspecified

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.qualcomm.com/company/product-security/bulletins/december-2020-bulletin (Broken Link)
www.qualcomm.com/company/product-security/bulletins/december-2020-security-bull… (Vendor Advisory)

Frequently asked questions

What is CVE-2020-3687?: CVE-2020-3687 is a medium-severity vulnerability in Qualcomm, classified under Information Disclosure. CVSS score: 5.5/10. Published 2021-01-21.
How severe is CVE-2020-3687?: Medium severity. CVSS v3 base score is 5.5 out of 10.