What is CVE-2023-21673?

CVE-2023-21673 is a high-severity vulnerability in Qualcomm Aqt1000, classified under Improper Access Control. CVSS score: 8.7/10. Published 2023-10-03.

How severe is CVE-2023-21673?

High severity. CVSS v3 base score is 8.7 out of 10.

Vulnerability in Qualcomm Aqt1000

CVE-2023-21673

Improper Access to the VM resource manager can lead to Memory Corruption.

Published 2023-10-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L.

EPSS exploit prediction

EPSS: 0.001 (0.7th percentile), scored 2026-09-27.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

www.qualcomm.com/company/product-security/bulletins/october-2023-bulletin (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21673?: CVE-2023-21673 is a high-severity vulnerability in Qualcomm Aqt1000, classified under Improper Access Control. CVSS score: 8.7/10. Published 2023-10-03.
How severe is CVE-2023-21673?: High severity. CVSS v3 base score is 8.7 out of 10.