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Vulnerability DatabaseCVE-2021-31605
CVE-2021-31605:
Python vulnerability analysis and mitigation
Overview
furlongm openvpn-monitor through version 1.1.3 allows %0a command injection via the OpenVPN management interface socket. This vulnerability enables attackers to shut down the server via signal%20SIGTERM (NVD, PacketStorm).
Technical details
The vulnerability has been assigned a CVSS v3.1 Base Score of 7.5 (HIGH) with vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. The vulnerability is classified as CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (NVD).
Impact
The primary impact of this vulnerability is on system availability, as it allows attackers to shut down the OpenVPN server by injecting commands that send a SIGTERM signal. This can result in denial of service for all users connected to the VPN server (NVD).
Mitigation and workarounds
Users should upgrade to a version newer than 1.1.3. Version 2.0.0 and later have addressed this vulnerability (GitHub).
Additional resources
Source: This report was generated using AI
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