What is CVE-2021-1955?

CVE-2021-1955 is a high-severity vulnerability in Qualcomm Apq8009, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2021-07-13.

How severe is CVE-2021-1955?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Qualcomm Apq8009

CVE-2021-1955

Denial of service in SAP case due to improper handling of connections when association is rejected in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Published 2021-07-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

www.qualcomm.com/company/product-security/bulletins/july-2021-bulletin (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1955?: CVE-2021-1955 is a high-severity vulnerability in Qualcomm Apq8009, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2021-07-13.
How severe is CVE-2021-1955?: High severity. CVSS v3 base score is 7.5 out of 10.