CVE•Published 2026-03-27•Modified 2026-05-15•0 articles on news•4 live references•NVD data

CVE-2026-4948Firewalld · Firewalld

Vulnerability data via NVD (ingested)

CVSS v3.1

5.5

MEDIUM

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

EPSS percentile

Exploit Prediction Scoring System · top 95% of all CVEs

Weaknesses (CWE)

CWE-279Incorrect Execution-Assigned Permissions

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.

Timeline

Published 2026-03-27

Modified 2026-05-15

External references

NVD MITRE GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-4948

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Firewalld Firewalld"

All exposed Firewalld Firewalld instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Firewalld"

HTTP body or banner mentions "Firewalld" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-4948