CVE-2018-10900

Name: CVE-2018-10900
Creator: NVD / NIST
Published: 2018-07-26T15:29:00.45+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 5.06%

Last modified Jun 17, 2026

CVE-2018-10900 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 5.06% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

5.06%

91.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Gnome	Network Manager Vpnc	< 1.2.6
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0

References

https://bugzilla.novell.com/show_bug.cgi?id=1101147Exploit, Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10900Issue Tracking, Patch, Third Party Advisory
https://download.gnome.org/sources/NetworkManager-vpnc/1.2/NetworkManager-vpnc-1.2.6.newsThird Party Advisory, Vendor Advisory
https://gitlab.gnome.org/GNOME/NetworkManager-vpnc/commit/07ac18a32b4Patch, Third Party Advisory, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00048.htmlThird Party Advisory
https://pulsesecurity.co.nz/advisories/NM-VPNC-PrivescExploit, Third Party Advisory
https://security.gentoo.org/glsa/201808-03Third Party Advisory
https://www.debian.org/security/2018/dsa-4253Third Party Advisory
https://www.exploit-db.com/exploits/45313/Exploit, Third Party Advisory, VDB Entry
https://bugzilla.novell.com/show_bug.cgi?id=1101147Exploit, Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10900Issue Tracking, Patch, Third Party Advisory
https://download.gnome.org/sources/NetworkManager-vpnc/1.2/NetworkManager-vpnc-1.2.6.newsThird Party Advisory, Vendor Advisory
https://gitlab.gnome.org/GNOME/NetworkManager-vpnc/commit/07ac18a32b4Patch, Third Party Advisory, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00048.htmlThird Party Advisory
https://pulsesecurity.co.nz/advisories/NM-VPNC-PrivescExploit, Third Party Advisory
https://security.gentoo.org/glsa/201808-03Third Party Advisory
https://www.debian.org/security/2018/dsa-4253Third Party Advisory
https://www.exploit-db.com/exploits/45313/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Jul 26, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-10900?

How severe is CVE-2018-10900?

CVE-2018-10900 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 5.06% probability of exploitation in the next 30 days.

How do I fix CVE-2018-10900?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-10900?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST