CVE-2026-4948
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
A flaw was found in firewalld where a local unprivileged user can exploit mis-authorization of two D-Bus setters: setZoneSettings2 and setPolicySettings. This allows modification of the runtime firewall state without proper authentication.
Risk Assessment
A local attacker can unauthorizedly change firewall configuration, potentially weakening network security and enabling further attacks.
Recommendation
Update firewalld to the latest version that includes the security fix.
Original NVD description (English source)
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.