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High · 8.8 CVE-2025-45311 EUVD-2025-199734GHSA-4w79-7ch5-4xhw

Insecure permissions in fail2ban-client v0.11.2 allows attackers with limited sudo privileges to perform arbitrary operations as root. NOTE…

Published Nov 26, 2025 · Updated Dec 3, 2025 · Assigned by 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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