CVE-2026-4948

MEDIUM EPSS 2.0%

Published Mar 27, 20263mo ago · Modified Jun 17, 20261w ago

5.5 CVSS 3.1

Medium

Published Mar 27, 2026 3mo ago

Last Modified Jun 17, 2026 1w ago

Description

A flaw was found in firewalld. A local unprivileged user can exploit this vulnerability by mis-authorizing two runtime D-Bus (Desktop Bus) setters, setZoneSettings2 and setPolicySettings. This mis-authorization allows the user to modify the runtime firewall state without proper authentication, leading to unauthorized changes in network security configurations.

CVSS Details

Base Score

5.5

Exploitability

1.8

Impact

3.6

Vector string

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

Attack Vector Local

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope Unchanged

Confidentiality None

Integrity High

Availability None

Threat Intelligence

EPSS Exploit Probability

2.0% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-279

Affected Products 2

Vendor	Product	Version	Range
firewalld	firewalld	*	≤2.4.0
redhat	enterprise_linux	7.0	any

References 3

access.redhat.com https://access.redhat.com/security/cve/CVE-2026-4948

MitigationVendor Advisory
bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2452086

Issue TrackingVendor Advisory
lists.debian.org https://lists.debian.org/debian-lts-announce/2026/05/msg00029.html

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.