CVE-2020-9355

Name: CVE-2020-9355
Creator: NVD / NIST
Published: 2020-02-23T02:15:10.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.17%

Last modified Jun 17, 2026

CVE-2020-9355 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled.. EPSS estimates a 2.17% chance of exploitation in the next 30 days.

Description

danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.17%

80.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Networkmanager-Ssh Project	Networkmanager-Ssh	< 1.2.11
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1803499Issue Tracking, Permissions Required, Third Party Advisory
https://github.com/danfruehauf/NetworkManager-ssh/pull/98Third Party Advisory
https://github.com/danfruehauf/NetworkManager-ssh/releases/tag/1.2.11Release Notes, Third Party Advisory
https://www.debian.org/security/2020/dsa-4637Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1803499Issue Tracking, Permissions Required, Third Party Advisory
https://github.com/danfruehauf/NetworkManager-ssh/pull/98Third Party Advisory
https://github.com/danfruehauf/NetworkManager-ssh/releases/tag/1.2.11Release Notes, Third Party Advisory
https://www.debian.org/security/2020/dsa-4637Third Party Advisory

Timeline

Published: Feb 23, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9355?

danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled.

How severe is CVE-2020-9355?

CVE-2020-9355 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.17% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9355?

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-2020-9355?

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

Scan your code now

Source: NVD / NIST