CVE-2023-4154

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

1.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 64.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2023-11-07 19:14Z2 YR AGO

Last updated

2024-08-02 07:17Z2 YR AGO

Reserved

2023-08-04

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

db9ffd27ef10a09c2bc3a85fde4960420ce89fda376c86fcbb96b965004e2294

• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-4154vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2241883https://bugzilla.redhat.com/show_bug.cgi?id=2241883issue-trackingx_refsource_REDHAT
• bugzilla.samba.orghttps://bugzilla.samba.org/show_bug.cgi?id=15424
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20231124-0002/
• www.samba.orghttps://www.samba.org/samba/security/CVE-2023-4154.html