CVE-2026-4948 | firewalld incorrect execution-assigned permissions

VDB-353819 · CVE-2026-4948 · GCVE-0-2026-4948 FIREWALLD INCORRECT EXECUTION-ASSIGNED PERMISSIONS HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.9 $0-$5k 3.02+ Summaryinfo A vulnerability marked as problematic has been reported in firewalld. This issue affects some unknown processing. The manipulation leads to incorrect execution-assigned permissions. This vulnerability is traded as CVE-2026-4948. An attack has to be approached locally. There is no exploit available. Detailsinfo A vulnerability, which was classified as problematic, has been found in firewalld (the affected version is unknown). This issue affects an unknown code. The manipulation with an unknown input leads to a incorrect execution-assigned permissions vulnerability. Using CWE to declare the problem leads to CWE-279. While it is executing, the product sets the permissions of an object in a way that violates the intended permissions that have been specified by the user. Impacted is integrity, and availability. The summary by CVE is: 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. It is possible to read the advisory at access.redhat.com. The identification of this vulnerability is CVE-2026-4948 since 03/27/2026. The exploitation is known to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1222 according to MITRE ATT&CK. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Firewall Software Name firewalld CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.9 VulDB Meta Temp Score: 4.9 VulDB Base Score: 4.4 VulDB Temp Score: 4.4 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.5 CNA Vector (redhat): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Incorrect execution-assigned permissions CWE: CWE-279 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/27/2026 Advisory disclosed 03/27/2026 +0 days CVE reserved 03/27/2026 +0 days VulDB entry created 03/27/2026 +0 days VulDB entry last update Sourcesinfo Advisory: access.redhat.com Status: Confirmed CVE: CVE-2026-4948 (🔒) GCVE (CVE): GCVE-0-2026-4948 GCVE (VulDB): GCVE-100-353819 Entryinfo Created: 03/27/2026 07:31 Changes: 03/27/2026 07:31 (59) Complete: 🔍 Cache ID: 99:E61:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸