CVE-2021-1940

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

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 7.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/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

2021-07-13 00:00Z5 YR AGO

Last updated

2024-08-03 16:25Z2 YR AGO

Reserved

2020-12-08

Assigning CNA

qualcomm

Record state

PUBLISHED

Severity

High (CVSS 8.4)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

9bf9a9ddce92a56fef8d0489348cdbd6a009022b21e9a5e61d00a7f648c5f74c

• www.qualcomm.comhttps://www.qualcomm.com/company/product-security/bulletins/july-2021-bulletin
• packetstormsecurity.comhttp://packetstormsecurity.com/files/172856/Qualcomm-NPU-Use-After-Free-Information-Leak.html