CVE-2023-21666

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

Ranks above 7.8% 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

2023-05-02 05:08Z3 YR AGO

Last updated

2024-08-02 09:44Z2 YR AGO

Reserved

2022-12-07

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-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.1

Document digest

8a6915a9fdf6e4495d269e5173541a0c0b34d81d1457c82386df11cb2416a872

• www.qualcomm.comhttps://www.qualcomm.com/company/product-security/bulletins/may-2023-bulletin
• packetstormsecurity.comhttp://packetstormsecurity.com/files/172664/Qualcomm-Adreno-KGSL-Data-Leakage.html