Insecure permissions in fail2ban-client v0.11.2 allows attackers with limited sudo privileges to perform arbitrary operations as root. NOTE: this is disputed by multiple parties because the action for a triggered rule can legitimately be an arbitrary operation as root. Thus, the software is behaving in accordance with its intended privilege model.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 01 Dec 2025 15:00:00 +0000

Type Values Removed Values Added
References

Fri, 28 Nov 2025 20:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-266
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 28 Nov 2025 16:30:00 +0000

Type Values Removed Values Added
Description Insecure permissions in fail2ban-client v0.11.2 allows attackers with limited sudo privileges to perform arbitrary operations as root. Insecure permissions in fail2ban-client v0.11.2 allows attackers with limited sudo privileges to perform arbitrary operations as root. NOTE: this is disputed by multiple parties because the action for a triggered rule can legitimately be an arbitrary operation as root. Thus, the software is behaving in accordance with its intended privilege model.

Thu, 27 Nov 2025 16:30:00 +0000

Type Values Removed Values Added
First Time appeared Fail2ban
Fail2ban fail2ban
Vendors & Products Fail2ban
Fail2ban fail2ban

Wed, 26 Nov 2025 16:00:00 +0000

Type Values Removed Values Added
Description Insecure permissions in fail2ban-client v0.11.2 allows attackers with limited sudo privileges to perform arbitrary operations as root.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-12-01T14:53:51.013Z

Reserved: 2025-04-22T00:00:00.000Z

Link: CVE-2025-45311

cve-icon Vulnrichment

Updated: 2025-11-28T19:54:48.941Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-11-26T16:15:47.663

Modified: 2025-12-01T15:39:53.100

Link: CVE-2025-45311

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-11-27T16:26:09Z