What’s Vulnerable › Vulnerabilities

CVE-2020-9355

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-23 · updated 2026-06-17

Description

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

Affected products

• Debian Linux: 9.0, 10.0
• Networkmanager-Ssh Project Networkmanager-Ssh: before 1.2.11 — fixed in 1.2.11

How to fix

Upgrade to a fixed version: Networkmanager-Ssh Project Networkmanager-Ssh 1.2.11. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1803499
• https://github.com/danfruehauf/NetworkManager-ssh/pull/98
• https://github.com/danfruehauf/NetworkManager-ssh/releases/tag/1.2.11
• https://www.debian.org/security/2020/dsa-4637
• https://bugzilla.redhat.com/show_bug.cgi?id=1803499
• https://github.com/danfruehauf/NetworkManager-ssh/pull/98
• https://github.com/danfruehauf/NetworkManager-ssh/releases/tag/1.2.11
• https://www.debian.org/security/2020/dsa-4637

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