CVE-2020-3657

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

28.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.0% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-11-02 06:21Z5 YR AGO

Last updated

2024-08-04 07:44Z2 YR AGO

Reserved

2019-12-17

Assigning CNA

qualcomm

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

3444c5cf1699682e820e3a55b4cb7703c97b1b79e99a39c64c53158f3de7ac40

• www.qualcomm.comhttps://www.qualcomm.com/company/product-security/bulletins/october-2020-bulletinx_refsource_CONFIRM