Name: CVE-2018-10900: Improper Neutralization of Special Elements used in an OS Command
Creator: Rapid7
Published: 2018-07-26T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2018-10900, CWE-78, Metasploit Module, CVSS 7.8, EPSS 0.03925

Network Manager VPNC plugin (aka networkmanager-vpnc) before version 1.2.6 is vulnerable to a privilege escalation attack. A new line character can be used to inject a Password helper parameter into the configuration data passed to VPNC, allowing an attacker to execute arbitrary commands as root.

CVSS Details

CVSS 3.1 Base Score: 7.8
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
CVSS 3.0 Base Score: 8.8
CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	Jul 26, 2018
Debian	—	Upgrade network-manager-vpnc	Jul 24, 2018	Jul 23, 2018
Gentoo Linux	—	Upgrade net-misc/networkmanager-vpnc.	Aug 23, 2018	Jul 26, 2018
Suse	—	Upgrade NetworkManager-vpncUpgrade NetworkManager-vpnc-langUpgrade NetworkManager-vpnc-gnome	Aug 11, 2018	Jul 23, 2018
Ubuntu	—	Upgrade network-manager-vpnc	Nov 19, 2024	Jul 26, 2018

Prioritise with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence