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SRC: CVELISTV5 / SYNC: T-14M / LAG: 27M / REC: 386,746 / REV: C6-1C / V4

01 RecordSTATE: PUBLISHED

CVE-2023-3961

Samba: smbd allows client access to unix domain sockets on the file system as root

CriticalPUBLISHEDCNA: redhat

CNA base score9.1 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

02 Description

CNA: redhat

Samba: smbd allows client access to unix domain sockets on the file system as root

03 Exploitation and scoring

SRC: CISA, FIRST, NVD, RED HAT

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: 2.41% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 82.6% of scored records. A rank, not a probability.
NVD base score: 9.8 (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:H/I:H/A:H
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.

04 Metadata

SCHEMA: 5.2

Published

2023-11-03 12:32Z2 YR AGO

Last updated

2025-11-20 19:51Z9 MO AGO

Reserved

2023-07-26

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Critical (CVSS 9.1)

CNA CVSS vector

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

Weaknesses

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.2

Document digest

c38bfb59fcb81d6ba2f2e6ff8f5f2c8eb609331a69155618763cc705451ceb88

05 Affected products

PAIRS: 10

VendorProductVersionsPlatforms

Red HatRed Hat Enterprise Linux 8Not specified—

Red HatRed Hat Enterprise Linux 8.6 Extended Update SupportNot specified—

Red HatRed Hat Enterprise Linux 8.8 Extended Update SupportNot specified—

Red HatRed Hat Enterprise Linux 9Not specified—

Red HatRed Hat Enterprise Linux 9.0 Extended Update SupportNot specified—

Red HatRed Hat Enterprise Linux 9.2 Extended Update SupportNot specified—

Red HatRed Hat Virtualization 4 for Red Hat Enterprise Linux 8Not specified—

Red HatRed Hat Enterprise Linux 6Not specified—

Red HatRed Hat Enterprise Linux 7Not specified—

Red HatRed Hat Storage 3Not specified—

06 References

REFS: 12

access.redhat.comRHSA-2023:6209https://access.redhat.com/errata/RHSA-2023:6209vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2023:6744https://access.redhat.com/errata/RHSA-2023:6744vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2023:7371https://access.redhat.com/errata/RHSA-2023:7371vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2023:7408https://access.redhat.com/errata/RHSA-2023:7408vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2023:7464https://access.redhat.com/errata/RHSA-2023:7464vendor-advisoryx_refsource_REDHAT
access.redhat.comRHSA-2023:7467https://access.redhat.com/errata/RHSA-2023:7467vendor-advisoryx_refsource_REDHAT
access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-3961vdb-entryx_refsource_REDHAT
bugzilla.redhat.comRHBZ#2241881https://bugzilla.redhat.com/show_bug.cgi?id=2241881issue-trackingx_refsource_REDHAT
bugzilla.samba.orghttps://bugzilla.samba.org/show_bug.cgi?id=15422
www.samba.orghttps://www.samba.org/samba/security/CVE-2023-3961.html
lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZUMVALLFFDFC53JZMUWA6HPD7HUGAP5I/
security.netapp.comhttps://security.netapp.com/advisory/ntap-20231124-0002/