CVE-2020-9355
danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options...
danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled.
- Record
CVE-2020-9355- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE ListNo score
danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled.
- Record
CVE-2020-9355- Updated
- 2026-11-02
EUVDEUVD-2020-30176No score
danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled.
- Record
EUVD-2020-30176- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pm9m-j33x-2wcxNo score
danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options...
danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled.
- Record
GHSA-pm9m-j33x-2wcx- Weakness
- CWE-269
- Updated
- 2026-11-02
OSV
danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled.
- Record
CVE-2020-9355- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-9355
danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled.
- Record
DEBIAN-CVE-2020-9355- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-9355
danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled.
- Record
UBUNTU-CVE-2020-9355- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
network-manager-sshDebian:12 | before 1.2.11-1 | 1.2.11-1 |
network-manager-sshDebian:13 | before 1.2.11-1 | 1.2.11-1 |
network-manager-sshDebian:14 | before 1.2.11-1 | 1.2.11-1 |
network-manager-sshDebian:9 | before 1.2.1-1+deb9u1, plus listed versions 1.2.1-1 | 1.2.1-1+deb9u1 |
network-manager-sshDebian:10 | before 1.2.10-1+deb10u1, plus listed versions 1.2.10-1 | 1.2.10-1+deb10u1 |
network-manager-sshUbuntu:16.04:LTS | All versions, plus listed versions 0.9.4-11.2.0-0ubuntu0.16.04.1 | None known |
network-manager-sshUbuntu:18.04:LTS | All versions, plus listed versions 1.2.6-1 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-9355 is a critical vulnerability (CVSS 9.8) in Networkmanager-ssh Project Networkmanager-ssh, published February 23, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.22%, the 82nd percentile. Fixed in network-manager-ssh 1.2.11-1.