CVE-2025-45311
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-26

Last updated on: 2025-12-03

Assigner: MITRE

Description
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.
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Meta Information
Published
2025-11-26
Last Modified
2025-12-03
Generated
2026-06-16
AI Q&A
2025-11-26
EPSS Evaluated
2026-06-15
NVD
CVE-2025-45311
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
fail2ban fail2ban 0.11.2
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-266 A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.
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Executive Summary

This vulnerability involves insecure permissions in fail2ban-client version 0.11.2, which allows attackers who have limited sudo privileges to execute arbitrary operations with root-level access.

Impact Analysis

An attacker exploiting this vulnerability could escalate their privileges from limited sudo access to full root access, potentially compromising the entire system and performing unauthorized actions.

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