CVE-2023-40997

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

2.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 81.5% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/I:N/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

2023-08-28 00:00Z3 YR AGO

Last updated

2024-08-02 18:46Z2 YR AGO

Reserved

2023-08-22

Assigning CNA

mitre

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

90d7d077127a8c17fef5ef4154aec2c2ca539c1ed46fbcaba18ae4402b2ffefe

• jira.o-ran-sc.orghttps://jira.o-ran-sc.org/browse/RIC-991
• www.trendmicro.comhttps://www.trendmicro.com/en_us/research/23/l/the-current-state-of-open-ran-security.html